King County (Seattle)
July
Weather in King County, Washington for July 2026
Your guide to King County weather in July - trends and predictions
Heat Advisory - See hour by hour.
Until now, July 2026 in King County is cooler than usual, with temperatures averaging 22.4 °C, this is -3.6 °C below the typical seasonal average.
The forecast for the next days in King County predicts temperatures to be around 28 °C, close to the historical average.
In general, the average temperature in King County at the beginning of July is 25.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 26.3 °C by the end of July.
With an average of 3 rainy days, King County experiences minimal rainfall in July.
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Temperatures
Rain 🌧️
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28
Dry days
3
Rainy days
0
Snow days
26°/13°
Temperatures
13 km/h
Avg max wind
63 %
Avg humidity
King County Weather July
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Temperatures trend during July in King County
See the weather trend as well as the moving average line
July weather in King County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Partly cloudy | 25° /13° | 0.2 mm | 7 | |
| Jul. 2 |  Overcast | 23° /13° | 0.4 mm | 6 | |
| Jul. 3 | Overcast | 23° /12° | 1.4 mm | 6 | |
| Jul. 4 | Overcast | 25° /12° | 0 mm | 7 | |
| Jul. 5 | Partly cloudy | 27° /12° | 0.2 mm | 7 | |
| Jul. 6 |  Sunny | 28° /13° | 0.7 mm | 7 | |
| Jul. 7 | Sunny | 26° /13° | 0.1 mm | 7 | |
| Jul. 8 | Overcast | 27° /13° | 0.1 mm | 7 | |
| Jul. 9 | Sunny | 26° /13° | 0.1 mm | 7 | |
| Jul. 10 | Sunny | 25° /13° | 0.3 mm | 6 | |
| Jul. 11 | Sunny | 26° /12° | 0.1 mm | 7 | |
| Jul. 12 | Sunny | 27° /13° | 0.1 mm | 7 | |
| Jul. 13 | Sunny | 28° /13° | 0 mm | 8 | |
| Jul. 14 | Sunny | 27° /13° | 0 mm | 7 | |
| Jul. 15 | Overcast | 28° /13° | 0 mm | 7 | |
| Jul. 16 |  Patchy rain possible | 26° /14° | 1.1 mm | 7 | |
| Jul. 17 | Patchy rain possible | 25° /14° | 1.5 mm | 6 | |
| Jul. 18 | Overcast | 26° /13° | 0 mm | 7 | |
| Jul. 19 | Sunny | 26° /12° | 0 mm | 7 | |
| Jul. 20 | Sunny | 30° /14° | 0 mm | 8 | |
| Jul. 21 | Sunny | 33° /16° | 0 mm | 7.6 | |
| Jul. 22 | Sunny | 33° /16° | 0 mm | 7.3 | |
| Jul. 23 | Sunny | 31° /15° | 0 mm | 7.4 | |
| Jul. 24 | Sunny | 27° /11° | 0 mm | 7 | |
| Jul. 25 | Sunny | 25° /11° | 0 mm | 7 | |
| Jul. 26 | Overcast | 23° /13° | 0 mm | 6 | |
| Jul. 27 | Patchy rain possible | 25° /13° | 0.5 mm | 6 | |
| Jul. 28 | Sunny | 25° /10° | 0 mm | 6 | |
| Jul. 29 | Partly cloudy | 30° /13° | 0 mm | 7 | |
| Jul. 30 | Sunny | 29° /12° | 0 mm | 7 | |
| Jul. 31 | Sunny | 27° /11° | 0 mm | 7 | |
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Important Notice
Our weather forecast for King County in July 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.
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King County in July - FAQ
What are the expected maximum and minimum temperatures in King County during July?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in King County during July?
Rainfall in King County during July is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 3 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in King County during July?
The average wind speed in King County during July is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in King County
Explore the daily rainfall trends and prepare for King Countys July weather 💧
Typically, King County has 3 rainy days in July with a total of 9.2 mm of rainfall.
UV exposure in King County during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
Top locations in King County
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Where is King County?Get accurate weather forecasts for King County, located at latitude 47.606 and longitude -122.332. Stay updated with localized weather information tailored for King County.
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