Seattle (WA)
August
Weather in Seattle, Washington for August 2027
Your guide to Seattle weather in August - trends and predictions
In general, the average temperature in Seattle at the beginning of August is 25.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.7 °C by the end of August.
Seattle experiences moderate rainfall in August, with an average of 6 rainy days and a total precipitation of 39.6 mm.
Is August a good time to visit Seattle? check out the best time to travel to Seattle page.
✨ Is August a good time to visit Seattle? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
25
Dry days
6
Rainy days
0
Snow days
26°/14°
Temperatures
12 km/h
Avg max wind
66 %
Avg humidity
Seattle Weather August
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Temperatures trend during August in Seattle
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August weather in Seattle day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Patchy rain possible | 27° /15° | 0.5 mm | 7 | |
| Aug. 2 |  Partly cloudy | 27° /15° | 0.1 mm | 7 | |
| Aug. 3 |  Sunny | 26° /14° | 0 mm | 7 | |
| Aug. 4 | Patchy rain possible | 26° /15° | 1 mm | 7 | |
| Aug. 5 | Sunny | 27° /14° | 0.3 mm | 7 | |
| Aug. 6 | Patchy rain possible | 25° /15° | 2.4 mm | 6 | |
| Aug. 7 |  Light rain | 25° /14° | 4.1 mm | 6 | |
| Aug. 8 | Sunny | 27° /15° | 0.5 mm | 7 | |
| Aug. 9 | Sunny | 26° /14° | 0.6 mm | 7 | |
| Aug. 10 | Sunny | 26° /15° | 0.8 mm | 7 | |
| Aug. 11 | Sunny | 27° /15° | 0 mm | 7 | |
| Aug. 12 | Sunny | 28° /15° | 0 mm | 7 | |
| Aug. 13 |  Overcast | 27° /15° | 0.1 mm | 7 | |
| Aug. 14 | Partly cloudy | 27° /15° | 0 mm | 7 | |
| Aug. 15 | Light rain | 27° /16° | 5 mm | 7 | |
| Aug. 16 | Patchy rain possible | 24° /14° | 1.4 mm | 6 | |
| Aug. 17 | Overcast | 26° /15° | 0.7 mm | 6 | |
| Aug. 18 | Overcast | 27° /15° | 0.9 mm | 7 | |
| Aug. 19 | Sunny | 26° /14° | 0.1 mm | 7 | |
| Aug. 20 | Sunny | 24° /14° | 0.9 mm | 6 | |
| Aug. 21 | Overcast | 25° /13° | 0 mm | 6 | |
| Aug. 22 | Patchy rain possible | 24° /13° | 1.2 mm | 6 | |
| Aug. 23 | Partly cloudy | 24° /14° | 0.7 mm | 6 | |
| Aug. 24 | Light rain | 25° /13° | 3.4 mm | 6 | |
| Aug. 25 | Sunny | 28° /15° | 0.1 mm | 7 | |
| Aug. 26 | Patchy rain possible | 26° /14° | 1.1 mm | 7 | |
| Aug. 27 | Patchy rain possible | 23° /14° | 1.8 mm | 6 | |
| Aug. 28 | Partly cloudy | 24° /13° | 0.1 mm | 6 | |
| Aug. 29 |  Moderate rain | 24° /13° | 10.4 mm | 5 | |
| Aug. 30 | Overcast | 24° /13° | 0.2 mm | 6 | |
| Aug. 31 | Patchy rain possible | 24° /13° | 1 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Seattle 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 Seattle forecast closer to your planned date for the most up-to-date weather information.
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Seattle in August - FAQ
What are the expected maximum and minimum temperatures in Seattle during August?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Seattle during August?
In August, Seattle can expect light to moderate rainfall, totaling 39.6 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Seattle during August?
The average wind speed in Seattle during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Seattle
Explore the daily rainfall trends and prepare for Seattles August weather 💧
Typically, Seattle has 6 rainy days in August with a total of 39.6 mm of rainfall.
UV exposure in Seattle during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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