Bug Bite Forecast: Oregon — Week of June 29, 2026

Mosquitoes are likely to be active near the Willamette River and in the green spaces of Washington Park due to the humid, overcast conditions. Consider repellent for evening outings

With the Willamette River and Minto-Brown Island Park nearby, mosquitoes will be present under these damp, mild conditions. Gardeners and dog walkers should be prepared

Mosquito activity is expected near the Tualatin River and agricultural ditches, encouraged by the high humidity and lack of direct sun. Ticks may also be in grassy areas

Gnats and mosquitoes could be noticeable in local parks and near Fanno Creek, thriving in the overcast and humid weather. Enjoy outdoor activities with caution

Expect an increase in mosquito activity along the Willamette and Calapooia Rivers, particularly at dusk. Ticks remain a possibility in brushy areas surrounding the city

Mosquitoes will be present near wetlands and the Fanno Creek Trail given the mild, humid conditions. Those enjoying outdoor paths should be aware

While humidity is high, the cooler temperature may keep most biting insects at bay in this largely residential area. A few nuisance gnats could be present in damp garden spots

Mosquitoes will be active near Lake Oswego and Tryon Creek State Natural Area, benefiting from the humidity and overcast skies. Ticks are also a concern in wooded trails

Mosquitoes are expected to be active near the Willamette River and in residential areas with standing water. High humidity makes for favorable conditions for biting pests

With the Clackamas and Willamette Rivers converging, mosquito activity will be noticeable. Ticks could also be present in the hilly, wooded sections of the city

Mosquitoes and gnats will be out near the Yamhill River and in vineyard areas, thriving in the damp, mild conditions. Hikers in outlying areas should check for

Expect moderate mosquito activity near shaded garden areas and residential landscaping. Those enjoying evening strolls may encounter a few persistent biters

With overcast skies and humidity, mosquitoes and some ticks will be active in wooded trails and backyard green spaces. Take precautions if hiking or gardening

Coastal marshlands and estuaries combined with the conditions mean high mosquito and biting midge activity, especially near the Necanicum River and promenade. Outdoor evening activities carry a significant bite risk

The South Yamhill River area and surrounding agricultural fields will see moderate mosquito and gnat presence. Hikers and those near water should be prepared

Backyard patios and wooded residential edges will likely host active mosquitoes and a few gnats under these humid, overcast conditions. Evening outdoor dining might attract unwanted guests

Residents enjoying local parks or walking shaded residential streets should anticipate moderate mosquito activity. Ticks could also be present in taller grasses

The proximity to the Columbia River estuary and coastal wetlands makes for high mosquito and biting midge populations. Anglers and those exploring Fort Clatsop should apply repellent

With the Tillamook River and surrounding dairy lands, high mosquito and biting midge activity is expected. Evening farm chores or riverside walks will be particularly prone to bites

Wooded areas and creeks around Beavercreek provide ideal conditions for moderate mosquito and tick activity. Be mindful when gardening or walking rural trails

Agricultural fields and the nearby Mill Creek contribute to moderate mosquito and gnat populations. Farmers and residents spending time outdoors should use repellent

Near the Yamhill River, moderate mosquito and gnat activity is anticipated. Those enjoying the wine country or local parks should take precautions

Urban green spaces and residential areas may experience moderate mosquito activity, especially after recent moisture. Evening walks around neighborhood parks could attract bites

Golf courses and community green spaces will likely see moderate mosquito and gnat presence. Early evening outdoor activities are when bites are most probable

The Siletz River and surrounding forested hills create a prime environment for high mosquito and tick activity. Anyone fishing or hiking should be well-protected

Agricultural settings and local gardens will host moderate mosquito and gnat populations. Outdoor marketgoers or those in rural areas should be vigilant

With the Pudding River nearby and agricultural surroundings, moderate mosquito and gnat activity is expected. Farmers and gardeners should prepare for persistent biters

The Santiam River and surrounding farmlands mean moderate mosquito and gnat activity. Picnics near the river or outdoor work may attract insects

While known for vineyards, the scattered wooded areas and cooler, humid conditions mean moderate mosquito and tick activity. Wine tasters strolling vineyard edges should be aware

Agricultural fields and proximity to the Santiam River will lead to moderate mosquito and gnat presence. Evening outdoor activities in rural settings pose the highest risk

With agricultural lands and scattered wetlands, expect moderate mosquito and gnat activity. Those working outdoors or enjoying local green spaces should be cautious

The Yamhill River and surrounding farmlands will contribute to moderate mosquito and gnat populations. Consider insect repellent for any evening outdoor plans

Surrounded by dense forests and the Nehalem River, high mosquito and tick activity is forecast. Hikers, campers, and anglers will need robust protection

Rural and forested areas near the Yamhill River will see moderate mosquito and tick activity. Those

Expect active mosquitoes and small biting gnats near local parks and the Sandy River. The humid conditions will keep them flying, especially as dusk approaches

Biting midges and some stable flies may be present near agricultural fields and irrigation canals. The overcast skies and humidity provide favorable conditions for their activity

Mosquitoes could be a nuisance along the Umatilla River and in shaded, damp areas. Overcast conditions make for a comfortable environment for biting insects

Mosquito activity will be noticeable near the Willamette River and in urban parks, particularly as the overcast conditions keep them active longer. Hikers should be mindful of ticks in peripheral wooded areas

Mosquitoes are likely to be present near irrigated landscapes and the Rogue River, encouraged by the humidity despite cooler temperatures. Gardeners and those near green spaces should be aware

Expect a moderate presence of mosquitoes around the McKenzie River and local parks. The damp, overcast weather provides comfortable conditions for these bit

Coastal mosquitoes are showing moderate activity near marshy areas and standing water, particularly as dusk approaches. Ticks may also be present in tall grasses along trails

Expect moderate mosquito activity near the many freshwater lakes and damp dune depressions, especially around dawn and dusk. Biting midges could also be a nuisance if you’re near water sources

Mosquitoes will be moderately active along the Rogue River and its tributaries, particularly in shaded, calm spots. Hikers should also be mindful of ticks in brushy areas off the main paths

Moderate mosquito presence is expected around agricultural irrigation ditches and farm ponds in this grassy region. Those working or walking in taller fields should also check for ticks

Tick activity is high in the forested and brushy terrain surrounding Cow Creek and local trails, making thorough checks essential after outdoor activities. Mosquitoes will also be active near shaded water sources

Cooler temperatures and overcast skies mean some biting midges may be active near the Deschutes River, especially during evening walks. Mosquito activity remains low, but a few persistent ones could emerge from sheltered areas

With the cool, overcast conditions, bug activity will generally be subdued. A few nuisance gnats might be present in sheltered, damp spots, but biting insects are unlikely to be a major concern for outdoor activities

Despite the cool weather, the proximity to Upper Klamath Lake and wetlands means some cooler-tolerant mosquitoes and biting midges could be present. Those near the water or dense vegetation should be mindful, particularly in the late afternoon

While the overall cool, overcast weather limits widespread bug activity, areas near irrigation ditches or damp suburban gardens might see some persistent gnats or a few slower mosquitoes. Backyard activities may encounter minor nuisance

The Snake River and surrounding agricultural areas provide enough moisture for some mosquito and biting gnat activity, even in cooler, overcast conditions. Riverfront parks and farm edges might experience a moderate presence

Near the Crooked River and Prineville Reservoir, some midges and cooler-tolerant mosquitoes may still be active. Anglers and those enjoying waterside trails should be aware, though overall numbers will be reduced by the temperature

Forested areas bordering the Deschutes River may host some lingering midges and a few slower mosquitoes under the overcast skies. Hikers and gardeners should take minor precautions against potential bites, especially near brush

Despite the cooler conditions, the dense forests and the Middle Fork Willamette River create damp environments where biting gnats and some resilient mosquitoes can persist. Hikers and those near the river should be prepared for moderate nuisance

Agricultural fields and the nearby Snake River contribute to conditions where some mosquitoes and gnats can be active, even with the cool, overcast weather. Outdoor work or walks along the riverbank might attract a few bites

The confluence of the Deschutes, Crooked, and Metolius Rivers, along with Lake Billy Chinook, offers ample habitat for midges and some cooler-tolerant mosquitoes. Boaters and riverside visitors may encounter moderate biting activity, particularly as the day progresses

The high desert environment generally keeps insect populations lower, and the cool, overcast conditions further suppress activity. A few hardy gnats might be present in very localized damp spots, but