United States, Washington

Sunday

Today

High

Monday

Tomorrow

Moderate

Tuesday

Jun 17

Moderate

Wednesday

Jun 18

High

Thursday

Jun 19

Extreme

How we forecast?

Washington Mosquito Forecast: What to Expect

If you're planning outdoor adventures around Seattle or exploring the scenic beauty of the Puget Sound, knowing the Washington mosquito forecast is essential. Mosquitoes here tend to be most active from late spring through summer, with peak activity in July and August when the weather is warm and humid. The forecast rates mosquito presence on a scale from 1 to 10, with July and August reaching levels as high as 8, indicating a significant presence. Early spring and late fall see much lower activity, making those months more comfortable for outdoor activities without worrying about bites. For real-time updates, check out the Washington State Department of Health's mosquito info.

Year round mosquito forecast

Mosquito Intensity

Factors Affecting Mosquito Activity in Washington

Several factors influence mosquito populations in Washington, especially in urban areas like Seattle and natural spots such as Discovery Park. Key influencers include:

Standing water from rain or irrigation
Warm temperatures and humidity
Vegetation providing shelter

Additionally, the region's temperate climate means mosquito activity spikes during warmer months. The presence of wetlands and slow-moving streams also contributes to breeding grounds. Understanding these factors helps locals and visitors anticipate mosquito seasons. Learn more about environmental impacts on mosquitoes from the Environmental Protection Agency.

Mosquito-Borne Diseases to Watch For

While Washington isn't known for widespread mosquito-borne illnesses, it's important to be aware of potential risks such as West Nile virus and Eastern Equine Encephalitis (EEE). These diseases are transmitted by infected mosquitoes and can pose health risks, particularly during peak mosquito months. Symptoms vary but may include fever, headache, and fatigue. The Washington State Department of Health monitors and reports any outbreaks, so staying informed is key. For detailed health advice, visit the CDC's page on mosquito-borne diseases.

Stay Updated and Protect Yourself Year-Round

To enjoy Washington's outdoors safely, regular updates on mosquito activity are crucial. Consider these protective measures:

Use EPA-approved insect repellents.
Wear long sleeves and pants during dawn and dusk.
Eliminate standing water around your home.

Subscribe to local alerts and check resources like the Washington State Mosquito Control Association for current forecasts. Staying proactive ensures you can savor the Emerald City and its surroundings without the nuisance of mosquitoes. Stay informed and prepared to make the most of your time outdoors in Washington. Stay informed with the Washington mosquito forecast. Learn about mosquito activity, local diseases, and how to protect yourself year-round.

Check out our recommended mosquito protection products

Mosquito-borne diseases in the area

Malaria

Zika

Dengue

Yellow Fever

Chikungunya

West Nile Fever

FAQs

Mosquito season in Washington typically spans from late spring through early fall, with peak activity in July and August.

While rare, diseases like West Nile virus and Eastern Equine Encephalitis can occur, so it's important to take precautions during peak mosquito months.

Eliminate standing water, use insect repellents, and wear protective clothing during peak mosquito activity times to reduce exposure.

Further information

Washington State Department of HealthEnvironmental Protection AgencyCDC Mosquito-Borne Diseases