Ontario Bug Bites — Weekly Forecast for the Week of October 12, 2026
Week of October 12, 2026 · 🍂 Shoulder Bug Risk · Toronto: 14.3°C, 94% humidity

Fall outdoor landscape in Ontario — bug bite and mosquito activity forecast — Just Bite Me temporary bug bite relief · Photo: urformat / Pixabay
Welcome to your weekly bug bite forecast for Ontario, Canada, covering the week of October 12, 2026. This week, we’re firmly in the shoulder season, meaning the pressure for Ontario bug bites is winding down across the province. Thanks to a slightly drier-than-usual trend over recent weeks, with only about 28mm of rain, insect populations have remained somewhat subdued, setting the stage for a quieter week than we might typically see as we transition deeper into autumn.
In Northwest Ontario, you can expect shoulder season conditions with daytime temperatures hovering around a cool 14.4°C and overnight lows near 13.5°C. While many biting insects are fading, keep an eye out for late-season mosquitoes in sheltered areas and remember that ticks remain a year-round concern in suitable habitats.
Northeast Ontario mirrors this trend, experiencing shoulder conditions with daytime highs around 12.1°C and overnight temperatures dipping to approximately 11.5°C. Pockets of activity for certain insects may still persist, especially during warmer midday hours, so light protective clothing is still a good idea for outdoor excursions.
Moving to Southwest Ontario, the shoulder season continues with pleasant daytime temperatures around 14.2°C and overnight lows staying relatively mild at 14.0°C. While the first significant frost is on the horizon, some hardy biting insects may still be encountered, particularly in areas with good cover.
Finally, Southeast Ontario is also in shoulder season mode, with temperatures around 14.3°C during the day and overnight lows near 13.9°C. As we watch for those first definitive frosts, remember that ticks are resilient and can be active whenever temperatures are above freezing, so continue your diligence. For any unexpected encounters, Just Bite Me temporary bug bite relief is available at retailers across Ontario.
🗺️ Ontario Bug Forecast by Region
Expand your region below for local notes on Ontario bug bites this shoulder season.
▶Northwest NW 17 communities
Northwest Ontario is currently around 14.4°C with 96% humidity and overcast clouds. Bug activity is winding down: last mosquitoes near water at dusk, with ticks still possible on trails. Moisture levels have been fairly typical lately, with 28mm of rain over the past month, compared with 37mm during the same stretch last year.
🟢 LowGreater Sudbury
Mosquito activity is minimal, primarily confined to sheltered, damp areas at dusk. The slightly drier conditions over the last month have further reduced typical breeding sites. Tick risk remains on wooded trails, particularly where leaf litter is present
🟡 ModerateBarrie
Expect some mosquito persistence near slower moving water bodies, especially as evening approaches. This month’s lower rainfall totals have limited the usual expansion of their habitat this time of year. Ticks are still a concern in tall grasses along waterfront paths
🟡 ModerateThunder Bay
Pockets of mosquitoes might be encountered in sheltered, low-lying areas, especially close to dusk. The region’s slightly reduced precipitation over the past month contributes to generally diminished standing water for insect development. Check for ticks after hiking in forested areas
🟢 LowNewmarket
Biting insect activity is winding down, with only isolated mosquitoes active at twilight near ponds. Lower precipitation than average over the last 30 days has helped keep overall insect populations suppressed. Trail users should still be mindful of ticks
🟡 ModerateSault Ste. Marie
Dusk brings a moderate chance of encountering mosquitoes near the St. Marys River and other damp areas. A somewhat drier trend in monthly rainfall compared to the previous year has meant fewer widespread mosquito hatches. Ticks are possible on trails, particularly in leaf litter
🟢 LowAurora
Mosquito numbers are very low, with only a few stragglers around dusk in very sheltered spots. The recent period of less rainfall than usual has contributed to a quieter insect season. Remember to check for ticks after walks in naturalized areas
🟡 ModerateNorth Bay
Mosquitoes could still be active near Lake Nipissing and other standing water as evening sets in. The past month’s reduced rainfall has, however, meant less prevalent mosquito breeding grounds overall. Ticks are still present on brushy trails
🟢 LowInnisfil
While general bug activity is low, a few mosquitoes might be present near Lake Simcoe at dusk. This month saw less rain than average, impacting the usual abundance of late-season biting insects. Hikers should remain vigilant for ticks on wooded paths
🟢 LowTimmins
Only sporadic mosquito activity is expected, mostly near marshy areas at dusk. The slightly drier conditions throughout the last 30 days have further restricted typical insect breeding locations. Inspect for ticks after spending time in wooded or grassy environments
🟡 ModerateOrillia
Expect some lingering mosquito presence near Lake Couchiching and other water features during the evening hours. Local mosquito populations have been somewhat curtailed by the month’s lower-than-average precipitation. Ticks are a persistent, if diminished, threat on trails
🟢 LowMidland
Mosquitoes are largely inactive, though isolated individuals might emerge at dusk near Georgian Bay. The region has experienced a bit less rain over the last month, which has helped keep biting insect numbers down. Be aware of ticks on any nature walks
🟢 LowEast Gwillimbury
Biting insects are mostly inactive, with only a very few mosquitoes possibly around water features at dusk. The drier than usual conditions over the past month have contributed to this decline. Check for ticks after venturing into treed or bushy areas
🟡 ModerateCollingwood
Moderate mosquito activity is possible near the Nottawasaga River and other damp areas, particularly as evening approaches. The month’s rainfall, being somewhat below normal, has tempered the usual late-season mosquito surge. Ticks remain a consideration on local trails
🟢 LowOwen Sound
Mosquito numbers are significantly reduced, with only a few active near slow-moving water at dusk. This month’s relatively lower rainfall has helped to keep insect populations minimal. Always check for ticks after exploring wooded areas or long grass
🟡 ModerateKeswick
A moderate chance of mosquitoes exists near Lake Simcoe at dusk, especially in sheltered spots. The past month’s lower precipitation has somewhat suppressed the expected late-season mosquito activity. Ticks are still a concern on trails with leaf litter
🟢 LowWasaga Beach
Minimal mosquito activity is expected, mostly confined to very damp, sheltered spots near the Nottawasaga River at dusk. The slightly drier trend in monthly rainfall has contributed to fewer insect emergences. Ticks are still present in tall grasses near dunes
🟢 LowAlliston
Biting insects are largely absent, with only occasional mosquitoes near standing water at twilight. The region’s reduced precipitation over the last 30 days has further limited the prevalence of biting insects. Remember to check for ticks after outdoor activities
▶Northeast NE 25 communities
Northeast Ontario is currently around 12.1°C with 88% humidity and overcast clouds. Shoulder season — fewer mosquitoes than summer, but cool evenings have not wiped them out everywhere yet. Rainfall has tracked close to normal over the past month (28mm of rain over the past month, compared with 37mm during the same stretch last year), so today’s conditions are a fair guide on their own.
🟡 ModerateOttawa
Expect some dusk mosquito activity near the Rideau Canal, especially as temperatures remain mild despite the season. The slightly drier conditions this past month have somewhat reduced overall standing water, yet pockets persist. Ticks are still a concern on wooded trails
🟢 LowNepean
Mosquitoes are largely winding down, but a few stragglers may appear at dusk, particularly close to creeks or ponds. With 28.5mm of rain this month, the area has seen less precipitation than usual, contributing to fewer active breeding sites. Trail users should still check for ticks
🟡 ModerateGloucester
Dusk brings a moderate chance of mosquitoes, especially near marshy areas like Green’s Creek. The recent month’s rainfall being below average has slightly suppressed their numbers, though not entirely. Ticks remain a possibility in tall grass
🟡 ModerateKingston
Mosquitoes could be present near Lake Ontario shores and marshy inlets during evening hours. The past 30 days have been noticeably drier than last year, which has marginally impacted insect populations. Keep an eye out for ticks if venturing into wooded areas
🟢 LowOrléans
You might encounter a few persistent mosquitoes around dusk, particularly near the Ottawa River pathways. The reduced rainfall over the last four weeks has helped to keep insect numbers lower than they might otherwise be. Ticks are still active on wooded paths
🟡 ModerateOttawa South
Expect some lingering mosquitoes around the Rideau River as evening cools. This month’s rainfall has been less than typical, contributing to a slight reduction in overall bug pressure. Always check for ticks after walks in natural areas
🟢 LowKanata
Mosquitos are sparse, though a few might be active at dusk near the Carp River. The slightly drier conditions experienced over the last month have led to fewer mosquito breeding grounds. Ticks, however, still pose a low risk on local trails
🟡 ModeratePeterborough
Dusk mosquitoes are still present near the Otonabee River and various lakes, though in declining numbers. A drier-than-average month has helped to limit their peak activity. Hikers should remain vigilant for ticks on wooded paths
🟡 ModerateBelleville
Some mosquitoes may be active around the Bay of Quinte at dusk as the cooler air settles. The region’s reduced precipitation over the past month has had a minor dampening effect on insect populations. Ticks remain a consideration on trails
🟢 LowWhitchurch-Stouffville
Expect minimal mosquito activity, primarily at twilight near standing water. The area has experienced less rain than usual this past month, which has helped keep overall bug numbers down. Check for ticks after hiking in wooded parks
🟡 ModerateCornwall
Lingering mosquitoes can be found near the St. Lawrence River and surrounding wetlands as evening approaches. Monthly rainfall being somewhat lower than average has slightly curbed the insect population. Ticks are still a concern on nature trails
🟡 ModerateQuinte West
Dusk brings a moderate chance of mosquitoes near the Trent River and Bay of Quinte. The past month has seen less rainfall than typical, contributing to a slightly lower overall insect presence. Remember to check for ticks after outdoor activities
🟢 LowStittsville
Mosquitoes are mostly gone, but a few could emerge at dusk, especially near the local conservation areas. The region has received less rain over the last 30 days, which generally means fewer active mosquito habitats. Ticks are still a minor risk on trails
🟢 LowStouffville
You might encounter a few resilient mosquitoes around dusk near smaller ponds or marshy spots. The area has seen a bit less rain over the past four weeks, which has somewhat suppressed insect activity. Always perform tick checks after walks
🟢 LowCentretown
Mosquito activity is minimal, though a few isolated bites are possible at dusk near urban green spaces. Less rainfall this month compared to the same period last year has contributed to fewer breeding sites. Ticks are a low risk on groomed paths
🟡 ModeratePrince Edward
Expect some mosquitoes near Sandbanks Provincial Park and other waterfront areas at dusk. The slightly drier conditions of the past month have somewhat reduced overall mosquito numbers. Ticks are still active in tall grass and wooded areas
🟢 LowFallingbrook
Mosquitoes are sparse, with only a few likely to be active at dusk near water features. Monthly precipitation has been below average, which has helped to keep the mosquito population in check. Tick checks are still recommended after trail use
🟢 LowBrooklin
Mosquitoes are largely winding down, but a few might be present at twilight near open fields or water. The past 30 days have been notably drier, contributing to fewer active insect pests. Ticks remain a low risk in wooded margins
🟢 LowAlta Vista
Minimal mosquito activity is expected, mostly confined to dusk near localized moisture. With less rain over the last month, the conditions are less favorable for mosquito breeding. Ticks should still be considered on park trails
🟢 LowBridlewood
Expect very few mosquitoes, mainly at dusk near any remaining standing water. The drier pattern over the last month has helped to keep insect populations suppressed. Always check for ticks if walking in naturalized areas
🟡 ModerateBrockville
Dusk mosquitoes are still present near the St. Lawrence River and surrounding marshlands. The area has experienced less precipitation this month, which has slightly reduced insect numbers. Ticks are a moderate risk on wooded trails
🟢 LowUxbridge
Mosquitoes are mostly inactive, though a few might appear at dusk near ponds or streams. The past month’s rainfall has been less than usual, which has helped to keep overall bug activity low. Ticks are still a consideration on forested paths
🟡 ModerateClarence-Rockland
Expect some dusk mosquitoes near the Ottawa River and local wetlands. The slightly drier conditions this past month have marginally reduced their numbers, but they are not gone. Ticks are still active on wooded trails
🟡 ModerateLindsay
Lingering mosquitoes can be found near the Scugog River and surrounding lakes at dusk. The recent month’s rainfall has been lower than average, which has had a minor impact on insect breeding. Always check for ticks after exploring natural areas
🟡 ModerateHuntsville
Some mosquitoes may be active at dusk near the many lakes and rivers in the area. The region has received less rain over the last month compared to last year, which has slightly moderated insect activity. Ticks are still a concern on forest trails
▶Southwest SW 60 communities
Southwest Ontario is currently around 14.2°C with 93% humidity and overcast clouds. Watch remaining pockets near wetlands and brush; a hard freeze would finish the outdoor season here. With 28mm of rain over the past month, compared with 37mm during the same stretch last year, the past month hasn’t swung much from the usual pattern here.
🟡 ModerateMississauga
Dusk brings a moderate risk of mosquito activity, particularly near the Credit River and its tributaries, despite a slightly drier month than usual reducing some breeding sites. Trails may still harbor a few lingering ticks
🟡 ModerateBrampton
Expect a moderate risk of mosquito bites closer to the Etobicoke Creek system as evening approaches; the recent month’s slightly lower rainfall compared to last year has somewhat mitigated typical late-season populations. Ticks are still possible on wooded paths
🟡 ModerateHamilton
A moderate risk of mosquitoes is present near Cootes Paradise and the escarpment trails at dusk; the drier conditions over the last 30 days have kept overall numbers a bit lower. Remain vigilant for ticks on any wooded excursions
🟡 ModerateLondon
Mosquitoes pose a moderate risk near the Thames River at twilight; the past month’s less abundant rainfall compared to average has slightly suppressed late-season breeding. Hikers should remain aware of potential ticks
🟡 ModerateEtobicoke
Moderate mosquito activity is expected at dusk, especially around the Humber River, though the month’s slightly reduced precipitation has helped keep numbers from spiking. Check for ticks after enjoying green spaces
🟡 ModerateVaughan
Look for a moderate risk of mosquitoes near water bodies as evening sets in; the previous month’s drier conditions have contributed to a somewhat smaller late-season presence. Ticks could still be found in tall grasses
🟡 ModerateKitchener
There’s a moderate risk of mosquitoes near the Grand River at dusk; the past month saw less rain than usual, which has kept their numbers somewhat in check. Be mindful of ticks on trails
🟡 ModerateWindsor
Mosquitoes present a moderate risk near waterways and marshy areas as night falls; the region’s slightly drier last 30 days have meant fewer standing water sources for breeding. Ticks may still be encountered on wooded paths
🟡 ModerateOakville
Moderate mosquito activity is possible near Sixteen Mile Creek at dusk; the slightly lower rainfall over the last month has contributed to a reduction in typical late-season populations. A few ticks may still be active on trails
🟡 ModerateRichmond Hill
A moderate risk of mosquitoes exists near ponds and slower-moving water at twilight; the recent 30-day period, being a bit drier than last year, has somewhat limited their numbers. Ticks could still be present in wooded areas
🟡 ModerateBurlington
Expect a moderate risk of mosquitoes around Spencer Smith Park and along creeks as evening approaches; the past month’s reduced precipitation has helped to keep late-season activity from being higher. Check for ticks after trail use
🟡 ModerateGuelph
Mosquitoes pose a moderate risk near the Speed River at dusk; the slightly drier conditions over the last month have meant fewer active breeding grounds. Ticks may still be found in wooded and grassy areas
🟡 ModerateMilton
A moderate risk of mosquitoes is present near local ponds and conservation areas at twilight; the recent month’s rainfall, being less than average, has somewhat suppressed their numbers. Be vigilant for ticks on any outdoor excursions
🟡 ModerateCambridge
Moderate mosquito activity is expected near the Grand River as evening settles; the previous month’s drier weather has contributed to a somewhat lower late-season population. Ticks are still a possibility on wooded trails
🟡 ModerateWaterloo
There’s a moderate risk of mosquitoes near the Laurel Creek Conservation Area at dusk; the past month’s lower rainfall compared to last year has slightly mitigated typical late-season breeding. Check for ticks after walks in natural areas
🟡 ModerateBrantford
Mosquitoes present a moderate risk near the Grand River as night falls; the last month’s precipitation, being a bit less than usual, has kept their numbers somewhat in check. Ticks could still be found on wooded paths
🟡 ModerateCaledon
A moderate risk of mosquitoes exists near wetter pockets and conservation areas at dusk; the region’s slightly drier conditions over the past 30 days have meant fewer standing water sources. Be mindful of ticks on trails
🟡 ModerateStoney Creek
Expect a moderate risk of mosquitoes near the lakefront and escarpment streams as evening approaches; the recent month’s slightly reduced precipitation has helped keep overall numbers down. Ticks may still be active on trails
🟡 ModerateSarnia
Mosquitoes pose a moderate risk near Lake Huron and the St. Clair River at twilight; the past month’s less abundant rainfall compared to average has slightly suppressed late-season breeding. Hikers should remain aware of potential ticks
🟡 ModerateHalton Hills
A moderate risk of mosquitoes is present near the Credit River and local ponds at dusk; the slightly drier conditions over the last month have contributed to a reduction in typical late-season populations. Ticks could still be present in wooded areas
🟡 ModerateNorfolk County
Moderate mosquito activity is expected near Long Point Bay and other wetlands as evening settles; the previous month’s drier weather has contributed to a somewhat lower late-season population. Ticks are still a possibility on wooded trails
🟡 ModerateGeorgetown
There’s a moderate risk of mosquitoes near the Credit River at dusk; the past month’s lower rainfall compared to last year has slightly mitigated typical late-season breeding. Check for ticks after walks in natural areas
🟡 ModerateIslington-City Centre West
Dusk brings a moderate risk of mosquito activity, particularly near the Mimico Creek; the recent month’s slightly lower rainfall compared to last year has somewhat mitigated typical late-season populations. Ticks are still possible on wooded paths
🟡 ModerateChatham
Mosquitoes present a moderate risk near the Thames River as night falls; the last month’s precipitation, being a bit less than usual, has kept their numbers somewhat in check. Ticks could still be found on wooded paths
🟡 ModerateAncaster
A moderate risk of mosquitoes exists near the escarpment trails and Dundas Valley at dusk; the region’s slightly drier conditions over the past 30 days have meant fewer standing water sources. Be mindful of ticks on trails
🟡 ModerateWoodstock
Expect a moderate risk of mosquitoes near the Pittock Conservation Area at twilight; the past month saw less rain than usual, which has kept their numbers somewhat in check. Ticks may still be found in wooded and grassy areas
🟡 ModerateSt. Thomas
Moderate mosquito activity is expected near Kettle Creek as evening approaches; the recent month’s slightly reduced precipitation has helped keep overall numbers down. Ticks may still be active on trails
🟡 ModerateDovercourt-Wallace Emerson-Junction
Dusk brings a moderate risk of mosquito activity, particularly near local parks with standing water; the recent month’s slightly lower rainfall compared to last year has somewhat mitigated typical late-season populations. Ticks are still possible on wooded paths
🟡 ModerateLeamington
Mosquitoes present a moderate risk near Point Pelee National Park as night falls; the last month’s precipitation, being a bit less than usual, has kept their numbers somewhat in check. Ticks could still be found on wooded paths
🟡 ModerateDownsview-Roding-CFB
A moderate risk of mosquitoes exists near local green spaces and the Black Creek at dusk; the region’s slightly drier conditions over the past 30 days have meant fewer standing water sources. Be mindful of ticks on trails
🟡 ModerateBrant
Expect a moderate risk of mosquitoes near the Grand River at twilight; the past month saw less rain than usual, which has kept their numbers somewhat in check. Ticks may still be found in wooded and grassy areas
🟡 ModerateMimico
Moderate mosquito activity is expected near Lake Ontario and Mimico Creek as evening approaches; the recent month’s slightly reduced precipitation has helped keep overall numbers down. Ticks may still be active on trails
🟡 ModerateWest Humber-Clairville
Dusk brings a moderate risk of mosquito activity, particularly near the Humber River; the recent month’s slightly lower rainfall compared to last year has somewhat mitigated typical late-season populations. Ticks are still possible on wooded paths
🟡 ModerateMount Olive-Silverstone-Jamestown
A moderate risk of mosquitoes exists near the West Humber River at dusk; the region’s slightly drier conditions over the past 30 days have meant fewer standing water sources. Be mindful of ticks on trails
🟡 ModerateLaSalle
Mosquitoes present a moderate risk near the Detroit River and local parks as night falls; the last month’s precipitation, being a bit less than usual, has kept their numbers somewhat in check. Ticks could still be found on wooded paths
🟡 ModerateStratford
Expect a moderate risk of mosquitoes near the Avon River at twilight; the past month saw less rain than usual, which has kept their numbers somewhat in check. Ticks may still be found in wooded and grassy areas
🟡 ModerateOrangeville
A moderate risk of mosquitoes is present near the Credit River at dusk; the slightly drier conditions over the last month have contributed to a reduction in typical late-season populations. Ticks could still be present in wooded areas
🟡 ModerateGlenfield-Jane Heights
Moderate mosquito activity is expected near the Black Creek as evening approaches; the recent month’s slightly reduced precipitation has helped keep overall numbers down. Ticks may still be active on trails
🟡 ModerateYork University Heights
Dusk brings a moderate risk of mosquito activity, particularly near local green spaces; the recent month’s slightly lower rainfall compared to last year has somewhat mitigated typical late-season populations. Ticks are still possible on wooded paths
🟡 ModerateGrimsby
A moderate risk of mosquitoes exists near Lake Ontario and the escarpment at dusk; the region’s slightly drier conditions over the past 30 days have meant fewer standing water sources. Be mindful of ticks on trails
🟡 ModerateBolton
Expect a moderate risk of mosquitoes near the Humber River at twilight; the past month saw less rain than usual, which has kept their numbers somewhat in check. Ticks may still be found in wooded and grassy areas
🟡 ModerateWestminster-Branson
Moderate mosquito activity is expected near the Don River tributaries as evening approaches; the recent month’s slightly reduced precipitation has helped keep overall numbers down. Ticks may still be active on trails
🟡 ModerateStonegate-Queensway
Dusk brings a moderate risk of mosquito activity, particularly near the Humber River and local parks; the recent month’s slightly lower rainfall compared to last year has somewhat mitigated typical late-season populations. Ticks are still possible on wooded paths
🟡 ModerateWaterdown
A moderate risk of mosquitoes exists near the escarpment and local creeks at dusk; the region’s slightly drier conditions over the past 30 days have meant fewer standing water sources. Be mindful of ticks on trails
🟡 ModerateHigh Park-Swansea
Expect a moderate risk of mosquitoes near High Park and Grenadier Pond at twilight; the past month saw less rain than usual, which has kept their numbers somewhat in check. Ticks may still be found in wooded and grassy areas
🟡 ModerateStrathroy
Moderate mosquito activity is expected near the Sydenham River as evening approaches; the recent month’s slightly reduced precipitation has helped keep overall numbers down. Ticks may still be active on trails
🟡 ModerateNewtonbrook West
Dusk brings a moderate risk of mosquito activity, particularly near the Don River tributaries; the recent month’s slightly lower rainfall compared to last year has somewhat mitigated typical late-season populations. Ticks are still possible on wooded paths
🟡 ModerateBedford Park-Nortown
A moderate risk of mosquitoes exists near local ravines and the Don River at dusk; the region’s slightly drier conditions over the past 30 days have meant fewer standing water sources. Be mindful of ticks on trails
🟡 ModerateTecumseh
Mosquitoes present a moderate risk near Lake St. Clair as night falls; the last month’s precipitation, being a bit less than usual, has kept their numbers somewhat in check. Ticks could still be found on wooded paths
🟡 ModerateEnglemount-Lawrence
Expect a moderate risk of mosquitoes near the Don River tributaries at twilight; the past month saw less rain than usual, which has kept their numbers somewhat in check. Ticks may still be found in wooded and grassy areas
🟡 ModerateRockcliffe-Smythe
Expect some lingering mosquito activity, especially near sheltered areas at dusk. The slightly drier conditions this past month have helped keep overall populations a bit lower than typical for this time of year. Trail users should still perform tick checks
🟡 ModerateHigh Park North
Biting insects are mostly winding down, but a few mosquitoes may be active in the evening, particularly close to the pond. A decrease in rainfall over the last 30 days compared to previous years means fewer standing water breeding sites. Tick awareness remains important when walking through brush
🟢 LowWillowridge-Martingrove-Richview
While most insects are inactive, a few late-season mosquitoes could emerge at twilight near the Humber River. The area has seen less precipitation than usual this month, contributing to generally reduced bug numbers. Tick encounters are possible on unpaved paths
🟡 ModerateKingsville
Dusk brings a moderate chance of mosquito bites, particularly near the lakefront and wetlands. With 28.5mm of rain in the last month, conditions are a little drier, which has slightly suppressed insect breeding. Ticks are still a consideration on longer hikes
🟢 LowKingsview Village-The Westway
Minimal insect activity is expected, though isolated mosquitoes might be present near slower-moving water after sunset. The recent dry spell, with less rain than the previous year, has limited the proliferation of many biting insects. Be mindful of ticks if exploring overgrown areas
🟡 ModerateSouth Parkdale
Mosquitoes could still be a nuisance at dusk, especially near the lake and any remaining puddles. The region’s slightly diminished rainfall over the last month has somewhat mitigated the usual late-season surge in insect numbers. Check for ticks after walking through taller grasses
🟡 ModerateBlack Creek
Late-season mosquitoes may be active at dusk, particularly along the creek bed. Compared to last year, the reduced rainfall in the past month has led to fewer prime breeding spots. Ticks are still present on local trails
🟢 LowOakwood Village
Biting insects are largely dormant, but an occasional mosquito might be encountered during evening hours. Less rain than typical over the last 30 days has kept the environment less conducive for insect populations. Tick checks are advisable after spending time in parks with naturalized areas
🟡 ModerateFergus
Expect some mosquito activity around the Grand River at dusk. The past month’s rainfall, being a bit lower than average, has helped to keep the overall bug pressure from being higher. Ticks are still a concern on woodland trails
🟡 ModerateTillsonburg
Mosquitoes may still be active in the evening, especially near wetlands and agricultural ditches. The slightly drier conditions this past month, compared to last year’s precipitation, have somewhat limited insect development. Always check for ticks after walking through tall vegetation
▶Southeast SE 48 communities
Southeast Ontario is currently around 14.3°C with 94% humidity and overcast clouds. Cool days have cut numbers, but hiking edges and standing water can still produce a few bites. Moisture levels have been fairly typical lately, with 28mm of rain over the past month, compared with 37mm during the same stretch last year.
🟡 ModerateToronto
Dusk mosquitoes remain active near stagnant water, particularly in parklands. The slightly drier conditions this month compared to last year may be contributing to fewer overall breeding sites. Ticks are still a concern on wooded trails, especially near ravines
🟢 LowMarkham
Expect very few mosquitoes, but a few lingering ones might appear at dusk near garden ponds. This month’s reduced rainfall, lower than a year ago, has likely limited the extent of mosquito habitat. Trail users should still conduct tick checks after outdoor activities
🟡 ModerateOshawa
Mosquito activity is mostly confined to sheltered, damp areas as evening approaches. The recent decrease in monthly precipitation, relative to the previous year, is likely reducing the overall mosquito population. Ticks are a low but present risk on nature paths
🟢 LowWhitby
Bites are unlikely, but a stray mosquito might emerge at dusk, especially close to slower moving streams. The area has experienced less rain this month than last, which has probably suppressed insect numbers somewhat. Check for ticks after walking in tall grasses
🟡 ModerateSt. Catharines
Be aware of mosquitoes at twilight near the Welland Canal and other water features. A bit drier than the same time last year, the region’s recent rainfall patterns might explain a slightly subdued insect presence. Ticks could still be encountered on wooded trails
🟢 LowAjax
Very limited mosquito activity is expected, mostly near marshy areas right at sunset. The past month’s rainfall, being lower than last year’s, means fewer persistent puddles for insects. Trail walkers should still do a quick tick check
🟡 ModerateNiagara Falls
Evening mosquitoes are still active near the Niagara River and other damp locations. Compared to last year, this month’s rainfall deficit may be contributing to slightly lower mosquito counts. Ticks remain a low risk on brushy paths
🟢 LowPickering
Chances of a bite are minimal, though a few mosquitoes might be out at dusk near the waterfront. With less rain over the last 30 days than the previous year, overall insect breeding opportunities have been somewhat reduced. Remember to check for ticks after wooded walks
🟢 LowWillowdale
Most biting insects are inactive, but a rare mosquito might be found near garden ponds at twilight. The area has seen less rainfall this month compared to the same period last year, potentially limiting insect development. Ticks are a very low risk in urban green spaces
🟢 LowWaterfront Communities-The Island
Mosquito activity is winding down, but a few might emerge near the shoreline at dusk. This month’s slightly drier conditions, compared to the previous year, are likely contributing to fewer active mosquitoes. Ticks are not a significant concern here
🟢 LowWoburn
You’ll likely encounter no biting insects, though a single mosquito might appear near standing water after sunset. The region’s reduced precipitation over the past month, compared to last year’s figures, has likely kept insect populations lower. Tick checks are advisable after venturing into dense foliage
🟡 ModerateWelland
Expect some mosquitoes at dusk near the Welland River and other moist environments. The area’s rainfall has been a bit lower this month than last year, potentially impacting the number of biting insects. Ticks are still a possibility on nature trails
🟢 LowWillowdale East
Biting insects are mostly dormant, but a lone mosquito might be present near sheltered, damp spots at dusk. This month’s rainfall, notably less than a year ago, has likely contributed to a quieter insect season. Ticks are a very low risk in maintained areas
🟡 ModerateRouge
Mosquitoes could still be present at dusk, especially within Rouge National Urban Park near water bodies. The past month has seen less rain than the previous year, which might explain a somewhat reduced mosquito population. Ticks are a persistent concern on park trails
🟢 LowL’Amoreaux
A few mosquitoes might still be active at dusk near slower moving water or damp areas. Monthly rainfall totals, lower than last year’s, suggest fewer breeding grounds for insects. Ticks are a minimal risk in urban parkland
🟢 LowMalvern
Bites are very unlikely, but a rare mosquito might be out at sunset near sheltered, moist spots. The area has experienced a drier month compared to last year, possibly reducing the overall number of active insects. Always check for ticks after walking in wilder areas
🟡 ModerateBowmanville
Dusk mosquitoes are still present near streams and damp park areas. The recent decrease in monthly rainfall compared to a year ago could be contributing to a slightly lower insect population. Ticks remain a low but present risk on trails
🟢 LowParkwoods-Donalda
Minimal mosquito activity is expected, perhaps a stray one near garden ponds at dusk. The region’s rainfall over the last 30 days has been less than the same period last year, likely impacting insect numbers. Ticks are a very low risk in urban green spaces
🟢 LowChurch-Yonge Corridor
Very few biting insects are expected, though a lone mosquito might emerge near sheltered, damp spots at twilight. Having received less rain this month than last year, the conditions are less favorable for insect breeding. Tick activity is negligible in this urban core
🟡 ModerateNiagara
Mosquitoes are still active at dusk, particularly near marshy areas and the Niagara River. The drier conditions this month compared to last year may be contributing to slightly fewer mosquito sightings. Ticks are a low but present risk on wooded paths
🟡 ModerateFort Erie
Expect mosquitoes at dusk near Lake Erie and other damp environments. Less rain this month than the prior year has likely suppressed overall insect numbers. Ticks are still a concern on trails near wooded or grassy areas
🟢 LowAnnex
Biting insects are mostly absent, though a single mosquito might be found near garden features at dusk. This month’s reduced precipitation, compared to last year’s, has likely limited insect breeding. Ticks are not a significant concern in this urban setting
🟢 LowBendale
Very limited mosquito activity is anticipated, with a stray one possible near sheltered, damp areas at sunset. The area has seen less rainfall over the past month than the previous year, potentially leading to fewer active mosquitoes. Tick checks are recommended after visits to naturalized parks
🟢 LowMount Pleasant West
Bites are highly unlikely, but a rare mosquito might appear near standing water at twilight. Having received less rain this month compared to the same period last year, the conditions are less conducive to insect activity. Ticks are a very low risk in urban parks
🟢 LowAgincourt North
Minimal mosquito presence is expected, perhaps a single one near damp spots at dusk. The past month’s rainfall, lower than a year ago, has likely kept insect populations down. Always perform a quick tick check after walking in unmaintained areas
🟢 LowWexford/Maryvale
Very few biting insects are active, though a stray mosquito might be encountered near garden ponds at dusk. The region’s decreased rainfall this month compared to last year suggests fewer opportunities for insect development. Ticks are a minimal risk in suburban green spaces
🟢 LowSouth Riverdale
Expect very limited mosquito activity, perhaps a few near the Don River at dusk. The area has experienced less rain this month than last year, which has probably reduced insect numbers. Ticks are a very low risk in urban parklands
🟢 LowBanbury-Don Mills
Bites are unlikely, but a rare mosquito might emerge near sheltered, damp spots at twilight. The past month’s rainfall, lower than the previous year’s, has likely limited the extent of mosquito habitat. Tick checks are advisable after walks in treed areas
🟢 LowTam O’Shanter-Sullivan
Minimal mosquito activity is expected, with a stray one possible near standing water at dusk. This month’s rainfall has been lower than last year’s, which may be contributing to a quieter insect season. Ticks are a very low risk in maintained areas
🟡 ModerateWest Hill
Mosquitoes could still be present at dusk, especially near the Scarborough Bluffs and other damp areas. The region has experienced a drier month compared to last year, possibly reducing the overall number of active insects. Ticks are a low but present risk on trails
🟢 LowDon Valley Village
Very few biting insects are active, though a lone mosquito might be found near sheltered, damp spots at dusk. The area has seen less rain over the last 30 days than the same period last year, potentially leading to fewer active mosquitoes. Ticks are a very low risk in urban parkland
🟢 LowClairlea-Birchmount
Expect very limited mosquito activity, perhaps a few near the Taylor Creek Park at dusk. This month’s reduced rainfall, compared to a year ago, has likely limited the extent of mosquito habitat. Ticks are a minimal risk in this suburban area
🟢 LowMilliken
Bites are very unlikely, but a rare mosquito might appear near garden ponds at twilight. The past month’s rainfall, lower than the previous year’s, has likely kept insect populations down. Always perform a quick tick check after walking in unmaintained areas
🟢 LowBay Street Corridor
Most biting insects are inactive, but a lone mosquito might be present near sheltered, damp spots at dusk. Having received less rain this month than last year, the conditions are less favorable for insect breeding. Tick activity is negligible in this urban core
🟢 LowDorset Park
Minimal mosquito presence is expected, perhaps a single one near damp spots at dusk. The region’s rainfall over the last 30 days has been less than the same period last year, likely impacting insect numbers. Ticks are a very low risk in suburban green spaces
🟢 LowSteeles
Bites are highly unlikely, but a rare mosquito might appear near standing water at twilight. This month’s rainfall has been lower than last year’s, which may be contributing to a quieter insect season. Tick checks are recommended after visits to naturalized parks
🟢 LowAgincourt South-Malvern West
Very few biting insects are active, though a stray mosquito might be encountered near garden ponds at dusk. The area has experienced a drier month compared to last year, possibly reducing the overall number of active insects. Ticks are a minimal risk in suburban parks
🟢 LowEglinton East
Expect very limited mosquito activity, perhaps a few near the Scarborough Bluffs at dusk. The region’s decreased rainfall this month compared to last year suggests fewer opportunities for insect development. Ticks are a very low risk in this suburban area
🟡 ModerateBirchcliffe-Cliffside
Mosquitoes could still be present at dusk, especially near the Scarborough Bluffs and other damp areas. The past month has seen less rain than the previous year, which might explain a somewhat reduced mosquito population. Ticks are a low but present risk on trails
🟢 LowFlemingdon Park
Bites are unlikely, but a rare mosquito might emerge near sheltered, damp spots at twilight. The area has seen less rain over the last 30 days than the same period last year, potentially leading to fewer active mosquitoes. Ticks are a very low risk in urban parkland
🟡 ModerateThe Beaches
Dusk mosquitoes are still present near Lake Ontario and other damp park areas. Compared to last year, this month’s rainfall deficit may be contributing to slightly lower mosquito counts. Ticks are a low but present risk on trails near wooded areas
🟢 LowBayview Village
Very few biting insects are active, though a lone mosquito might be found near sheltered, damp spots at dusk. This month’s rainfall has been lower than last year’s, which may be contributing to a quieter insect season. Ticks are a very low risk in suburban green spaces
🟢 LowEast End-Danforth
Expect very limited mosquito activity, perhaps a few near the Don River at dusk. The region’s reduced precipitation over the past month, compared to last year’s figures, has likely kept insect populations lower. Ticks are a minimal risk in urban parklands
🟢 LowThorncliffe Park
Bites are highly unlikely, but a rare mosquito might appear near standing water at twilight. Having received less rain this month than last year, the conditions are less favorable for insect breeding. Tick activity is negligible in this urban core
🟢 LowRosedale-Moore Park
Most biting insects are inactive, but a lone mosquito might be present near sheltered, damp spots at dusk. The area has experienced a drier month compared to last year, possibly reducing the overall number of active insects. Ticks are a very low risk in urban parks
🟢 LowMoss Park
Minimal mosquito presence is expected, perhaps a single one near damp spots at dusk. This month’s rainfall, notably less than a year ago, has likely contributed to a quieter insect season. Ticks are not a significant concern in this urban environment
🟡 ModerateThorold
Evening mosquitoes are still active near the Welland Canal and other damp locations. The region has experienced a drier month compared to last year, possibly reducing the overall number of active insects. Ticks are a low but present risk on wooded paths
🟢 LowO’Connor-Parkview
Expect very few mosquitoes, but a few lingering ones might appear at dusk near garden ponds. This month’s reduced rainfall, lower than a year ago, has likely limited the extent of mosquito habitat. Trail users should still conduct tick checks after outdoor activities
🛒 Where to Buy Just Bite Me Bug Bite Relief in Ontario
📍 Also see: Manitoba Bug Forecast | Quebec Bug Forecast | Michigan Bug Forecast | New York Bug Forecast
Just Bite Me is available at 262 locations across Ontario. Use the map below to find the nearest retailer.
Drag, zoom, and click a pin to see the store name and directions.
📍 262 Just Bite Me locations in Ontario · View full retailer list
Ontario Bug Bites: What to Know This Week
Check Ontario bug bites against this week’s temperature, humidity, and rainfall before you pack. The city list above is the neighbourhood-level view; keep bite relief handy if you are heading outside.
About This Forecast
This weekly bug bite forecast for Ontario is generated using current weather data from OpenWeather, geographic city data from GeoNames, and AI-written forecasts from Google Gemini. Store locations are sourced from Just Bite Me’s retailer database. Forecasts are refreshed weekly. For urgent outdoor health concerns, consult local public health resources.
