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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 23.3 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 23.4 °F by the end of August.

  • Rain 🌧️

  • Snohomish County experiences moderate rainfall in August, with an average of 10 rainy days and a total precipitation of 128.9 mm.

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Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/13°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
78 %
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

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Date Weather Temperatures Rain UV More
Aug. 1 Mist
Mist
21° /13° 3.2 mm 5
Aug. 2 Overcast
Overcast
23° /13° 0.9 mm 6
Aug. 3 Overcast
Overcast
22° /12° 0 mm 6
Aug. 4 Sunny
Sunny
25° /11° 0 mm 7
Aug. 5 Mist
Mist
26° /12° 0 mm 7
Aug. 6 Mist
Mist
23° /12° 4.9 mm 6
Aug. 7 Fog
Fog
23° /12° 11 mm 6
Aug. 8 Mist
Mist
25° /13° 0 mm 6
Aug. 9 Sunny
Sunny
25° /12° 0 mm 7
Aug. 10 Mist
Mist
25° /13° 0 mm 7
Aug. 11 Fog
Fog
24° /12° 0 mm 6
Aug. 12 Fog
Fog
26° /13° 0 mm 7
Aug. 13 Mist
Mist
22° /12° 0 mm 6
Aug. 14 Partly cloudy
Partly cloudy
23° /12° 0 mm 6
Aug. 15 Mist
Mist
22° /12° 41.5 mm 6
Aug. 16 Cloudy
Cloudy
22° /12° 8.1 mm 6
Aug. 17 Overcast
Overcast
24° /12° 0.7 mm 4
Aug. 18 Light rain shower
Light rain shower
24° /13° 1.9 mm 6
Aug. 19 Overcast
Overcast
24° /12° 0 mm 6
Aug. 20 Light rain shower
Light rain shower
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
24° /12° 1.1 mm 5
Aug. 23 Light rain shower
Light rain shower
23° /13° 2.1 mm 4
Aug. 24 Light rain shower
Light rain shower
23° /12° 8.5 mm 6
Aug. 25 Light rain shower
Light rain shower
27° /13° 0.3 mm 6
Aug. 26 Patchy rain possible
Patchy rain possible
26° /12° 0.3 mm 6
Aug. 27 Light rain shower
Light rain shower
22° /12° 3 mm 4
Aug. 28 Partly cloudy
Partly cloudy
21° /11° 0 mm 5
Aug. 29 Sunny
Sunny
23° /11° 40.9 mm 4
Aug. 30 Sunny
Sunny
22° /11° 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 22° and cooler nights around 13°. 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 128.9 mm is expected in Snohomish County during August, occurring over more than 10 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 11 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 10 rainy days in August with a total of 128.9 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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Location coordinates Where is Snohomish County?

Get accurate weather forecasts for Snohomish County, located at latitude 47.979 and longitude -122.202. Stay updated with localized weather information tailored for Snohomish County.

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