Bug Bite Forecast: New Hampshire — Week of June 29, 2026

Mosquitoes will be intensely active along the Connecticut River and in shaded park areas, making evening outdoor activities quite challenging

Expect active mosquitoes near the Sugar River and in local green spaces, though daytime activity may be slightly less intense due to the clear sky

Biting insects, especially mosquitoes, pose a significant nuisance near the Connecticut River and Dartmouth’s wooded trails; pack repellent for evening strolls

Mosquitoes and some biting gnats will be present

Mosquitoes will be active around dusk, especially near slower-moving water and in shaded backyard areas. Consider repellent for evening patio dining

Lake Winnipesaukee’s shores and marinas will see significant mosquito activity from late afternoon into the evening. Biting flies may also be present during daytime boating

Hikers and those near the Androscoggin River should watch for mosquitoes and deer flies, particularly in wooded areas. Evening campfires may attract biting insects

Mosquitoes will be active near the Ashuelot River at dusk, while ticks remain a concern in wooded trails like those around Goose Pond

Evening activities along the Souhegan River may attract mosquitoes, and ticks are a risk in bordering conservation lands

Expect significant tick activity in wooded areas and tall grasses, with mosquitoes also prevalent near Purgatory Pond at dusk

Ticks are a primary concern for hikers in conservation areas; mosquitoes will

Mosquitoes will be active around the Merrimack River and city parks, especially during evening strolls. Ticks are a concern if venturing into denser vegetation at Derryfield Park

Expect moderate mosquito activity near the Nashua River and local greenways. Biting flies could be present in wooded park areas during daytime hikes

Mosquitoes will be out in force near the Merrimack River and surrounding wetlands, particularly at dusk. Ticks are a consideration for anyone enjoying the trails

Enjoying the warm, clear weather near Pawtuckaway Lake means a high risk for mosquito bites, especially around dusk. Ticks are also active in wooded trails, so use repellent and check thoroughly

The warm conditions make for moderate mosquito activity, particularly near the Salmon Falls River and wooded residential areas. Keep an eye out for biting flies if spending time in open, sunlit yards

With warm temperatures and clear skies, expect a high risk for mosquito bites around dusk, especially near rural ponds and agricultural fields. Ticks are also very active in tall grasses and wooded edges

While coastal breezes may deter some, a moderate risk of biting midges exists at dawn and dusk, especially near the sand. Greenhead flies may also be present during the day near marshier areas slightly inland

Warm, clear weather brings a moderate risk of mosquito bites around homes and wooded perimeters. Horse flies may also be active in open fields, so consider repellent if spending extended time outdoors

A moderate risk of mosquito bites is present, particularly near the wetlands and marshy areas characteristic of the town. Those visiting orchards or wooded properties should also be aware of deer flies

The warm, clear conditions create a high risk for mosquito bites, especially given the extensive wetlands of the Powwow River watershed. Ticks are also prevalent in wooded areas, so take precautions during outdoor activities

Expect a moderate risk for mosquito bites, particularly near the Lamprey River and any standing water around residential areas. Biting flies might also be active in sunnier, open spaces during the day

The warm, clear weather leads to a high risk of mosquito activity, especially along the Oyster River and within forested properties. Ticks are also very active, so be vigilant if hiking or walking through brush

Despite coastal breezes, a moderate risk of biting midges is present at dusk and dawn, particularly near the shoreline. Salt marsh mosquitoes may also emerge if winds are light, so consider light clothing coverage

A moderate risk of mosquito bites is expected, particularly along the Merrimack River and in wooded residential zones as dusk approaches. Deer flies might also be an annoyance in sunnier, open areas during the day