Weather in King County, Washington for June 2026
Heat Advisory - See hour by hour.
Until now, June 2026 in King County has been nearly identical to the historical average, with a temperature of 20.8 °F (showing only a slight deviation of -0.1 °F).
The forecast for the upcoming days in King County predicts a temperature of 22.1 °F, which is slightly above the historical average.
In general, the average temperature in King County at the beginning of June is 20.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 21.4 °F by the end of June.
King County in June brings notable rainfall, with an average of 19 rainy days and a total precipitation of 58.9 mm.
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King County Weather June
Temperatures trend during June in King County
June weather in King County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Sunny | 21° /8° | 0.4 mm | 6 | |
| Jun. 2 | Sunny | 22° /10° | 3.1 mm | 6 | |
| Jun. 3 | Sunny | 21° /10° | 3.6 mm | 6 | |
| Jun. 4 |  Overcast | 19° /10° | 2.3 mm | 6 | |
| Jun. 5 |  Moderate or heavy rain shower | 19° /9° | 6.1 mm | 5 | |
| Jun. 6 | Moderate rain at times | 20° /8° | 2.6 mm | 5 | |
| Jun. 7 |  Partly cloudy | 23° /8° | 1 mm | 6 | |
| Jun. 8 | Overcast | 23° /10° | 2.6 mm | 7 | |
| Jun. 9 | Partly cloudy | 21° /11° | 7.6 mm | 6 | |
| Jun. 10 | Overcast | 22° /10° | 1.9 mm | 6 | |
| Jun. 11 |  Patchy rain possible | 20° /10° | 0.9 mm | 5 | |
| Jun. 12 | Sunny | 21° /9° | 2 mm | 6 | |
| Jun. 13 |  Heavy rain at times | 19° /10° | 5.3 mm | 5 | |
| Jun. 14 | Overcast | 20° /10° | 1.5 mm | 5 | |
| Jun. 15 | Patchy rain possible | 21° /9° | 1.7 mm | 5 | |
| Jun. 16 | Patchy rain possible | 20° /9° | 0.8 mm | 6 | |
| Jun. 17 | Moderate rain at times | 19° /10° | 1.7 mm | 6 | |
| Jun. 18 | Sunny | 20° /10° | 2.5 mm | 5 | |
| Jun. 19 | Patchy rain possible | 21° /9° | 0.5 mm | 6 | |
| Jun. 20 | Sunny | 20° /10° | 3.3 mm | 6 | |
| Jun. 21 | Sunny | 24° /10° | 1.2 mm | 7 | |
| Jun. 22 | Overcast | 24° /12° | 0.9 mm | 6 | |
| Jun. 23 | Partly cloudy | 24° /12° | 0.1 mm | 6 | |
| Jun. 24 | Sunny | 31° /14° | 0 mm | 7.2 | |
| Jun. 25 | Overcast | 23° /11° | 0 mm | 5.7 | |
| Jun. 26 | Patchy rain possible | 18° /10° | 4.8 mm | 4.5 | |
| Jun. 27 | Patchy rain possible | 19° /9° | 1.1 mm | 5.9 | |
| Jun. 28 | Patchy rain possible | 17° /11° | 0.3 mm | 0 | |
| Jun. 29 | Overcast | 19° /12° | 0 mm | 4 | |
| Jun. 30 | Overcast | 23° /9° | 0 mm | 4 | |
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King County in June - FAQ
What are the expected maximum and minimum temperatures in King County during June?
How much rainfall should be expected in King County during June?
What are the typical wind conditions in King County during June?
June rainfall patterns in King County
UV exposure in King County during June
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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.