King County (Seattle)
August
Weather in King County, Washington for August 2027
Your guide to King County weather in August - trends and predictions
In general, the average temperature in King County 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.
King County 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 King County? check out the best time to travel to King County page.
✨ Is August a good time to visit King County? – 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
King County Weather August
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Temperatures trend during August in King County
See the weather trend as well as the moving average line
August weather in King County 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 | |
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Important Notice
Our weather forecast for King 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 King County forecast closer to your planned date for the most up-to-date weather information.
Change Month
King County in August - FAQ
What are the expected maximum and minimum temperatures in King County 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 King County during August?
In August, King County 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 King County during August?
The average wind speed in King County during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in King County
Explore the daily rainfall trends and prepare for King Countys August weather 💧
Typically, King County has 6 rainy days in August with a total of 39.6 mm of rainfall.
UV exposure in King County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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