Weather in Snohomish County, Washington for August 2026
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The forecast for the next days in Snohomish County predicts temperatures to be around 25 °F, close to the historical average.
In general, the average temperature in Snohomish County at the beginning of August is 24.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.7 °F by the end of August.
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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Snohomish County Weather August
Temperatures trend during August in Snohomish County
August weather in Snohomish County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Mist | 21° /13° | 3.2 mm | 5 | |
| Aug. 2 | Overcast | 23° /13° | 0.9 mm | 6 | |
| Aug. 3 | Overcast | 22° /12° | 0 mm | 6 | |
| Aug. 4 | Sunny | 25° /11° | 0 mm | 7 | |
| Aug. 5 | Mist | 26° /12° | 0 mm | 7 | |
| Aug. 6 | Mist | 23° /12° | 4.9 mm | 6 | |
| Aug. 7 | Smoky haze | 31° /13° | 0 mm | 7.4 | |
| Aug. 8 | Sunny | 27° /12° | 0 mm | 6.7 | |
| Aug. 9 | Sunny | 24° /9° | 0 mm | 6.9 | |
| Aug. 10 | Sunny | 25° /9° | 0 mm | 7.3 | |
| Aug. 11 | Sunny | 25° /10° | 0 mm | 7 | |
| Aug. 12 | Sunny | 24° /12° | 0 mm | 6 | |
| Aug. 13 | Sunny | 24° /11° | 0 mm | 6 | |
| Aug. 14 | Sunny | 29° /13° | 0 mm | 7 | |
| Aug. 15 | Sunny | 28° /13° | 0 mm | 7 | |
| Aug. 16 | Sunny | 23° /11° | 0 mm | 6 | |
| Aug. 17 | Fog | 23° /10° | 0 mm | 6 | |
| Aug. 18 | Partly cloudy | 25° /10° | 0 mm | 7 | |
| Aug. 19 | Patchy rain possible | 19° /10° | 2.3 mm | 5 | |
| Aug. 20 | Sunny | 22° /8° | 0 mm | 6 | |
| Aug. 21 | Patchy rain possible | 21° /10° | 0.3 mm | 5 | |
| Aug. 22 | Patchy light drizzle | 23° /11° | 0.3 mm | 6 | |
| Aug. 23 | Light rain shower | 23° /14° | 2.3 mm | 6 | |
| Aug. 24 | Light rain shower | 21° /13° | 12.7 mm | 5 | |
| Aug. 25 | Light rain shower | 25° /14° | 0.5 mm | 6 | |
| Aug. 26 | Patchy rain possible | 25° /13° | 0.4 mm | 6 | |
| Aug. 27 | Light rain shower | 21° /12° | 4.2 mm | 5 | |
| Aug. 28 | Partly cloudy | 20° /11° | 0 mm | 5 | |
| Aug. 29 | Sunny | 23° /11° | 0 mm | 6 | |
| Aug. 30 | Sunny | 23° /12° | 0 mm | 6 | |
| Aug. 31 | Sunny | 22° /12° | 0 mm | 6 | |
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Snohomish County in August - FAQ
What are the expected maximum and minimum temperatures in Snohomish County during August?
How much rainfall should be expected in Snohomish County during August?
What are the typical wind conditions in Snohomish County during August?
August rainfall patterns in Snohomish County
UV exposure in Snohomish County during August
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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.