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Weather in Snohomish County, Washington for August 2027

Your guide to Snohomish County weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Snohomish County at the beginning of August is 22.9 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 23.1 °C by the end of August.

  • Rain 🌧️

  • With an average of 5 rainy days, Snohomish County experiences minimal rainfall in August.

  • More

  • Is August a good time to visit Snohomish County? check out the best time to travel to Snohomish County page.

  • ✨ Is August a good time to visit Snohomish County? – Ask the AI Weatherman

Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/12°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Snohomish County Weather August

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Temperatures trend during August in Snohomish County

See the weather trend as well as the moving average line

August weather in Snohomish County day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Aug. 1 Light rain
Light rain
21° /13° 3.2 mm 5
Aug. 2 Overcast
Overcast
22° /14° 0.9 mm 6
Aug. 3 Overcast
Overcast
22° /12° 0 mm 6
Aug. 4 Sunny
Sunny
24° /12° 0 mm 7
Aug. 5 Mist
Mist
25° /13° 0 mm 7
Aug. 6 Light rain
Light rain
23° /12° 4.9 mm 6
Aug. 7 Moderate rain
Moderate rain
23° /12° 11 mm 6
Aug. 8 Mist
Mist
24° /13° 0 mm 6
Aug. 9 Sunny
Sunny
24° /13° 0 mm 7
Aug. 10 Mist
Mist
25° /13° 0 mm 7
Aug. 11 Fog
Fog
24° /13° 0 mm 6
Aug. 12 Fog
Fog
25° /13° 0 mm 7
Aug. 13 Mist
Mist
21° /12° 0 mm 6
Aug. 14 Partly cloudy
Partly cloudy
23° /13° 0 mm 6
Aug. 15 Heavy rain
Heavy rain
22° /12° 41.5 mm 6
Aug. 16 Light rain
Light rain
22° /13° 8.1 mm 6
Aug. 17 Overcast
Overcast
23° /13° 0.7 mm 4
Aug. 18 Light rain shower
Light rain shower
24° /13° 1.9 mm 6
Aug. 19 Overcast
Overcast
24° /13° 0 mm 6
Aug. 20 Light rain
Light rain
24° /11° 3.1 mm 6
Aug. 21 Patchy rain possible
Patchy rain possible
23° /11° 0.2 mm 5
Aug. 22 Patchy light drizzle
Patchy light drizzle
23° /12° 1.1 mm 5
Aug. 23 Light rain shower
Light rain shower
23° /14° 2.1 mm 4
Aug. 24 Light rain
Light rain
23° /12° 8.5 mm 6
Aug. 25 Light rain shower
Light rain shower
27° /14° 0.3 mm 6
Aug. 26 Patchy rain possible
Patchy rain possible
25° /13° 0.3 mm 6
Aug. 27 Light rain
Light rain
21° /13° 3 mm 4
Aug. 28 Partly cloudy
Partly cloudy
21° /11° 0 mm 5
Aug. 29 Heavy rain
Heavy rain
23° /12° 40.9 mm 4
Aug. 30 Sunny
Sunny
22° /12° 0 mm 4
Aug. 31 Sunny
Sunny
23° /12° 0 mm 4
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Important Notice
Our weather forecast for Snohomish County in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Snohomish County forecast closer to your planned date for the most up-to-date weather information.

Snohomish County in August - FAQ

What are the expected maximum and minimum temperatures in Snohomish County during August?

Enjoy moderate daytime temperatures of up to 23° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Snohomish County during August?

Significant rainfall exceeding 131.8 mm is expected in Snohomish County during August, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Snohomish County during August?

The average wind speed in Snohomish County during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Snohomish County

Explore the daily rainfall trends and prepare for Snohomish Countys August weather 💧
Typically, Snohomish County has 5 rainy days in August with a total of 131.8 mm of rainfall.

UV exposure in Snohomish County during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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