King County, WA Weather Forecast
County weather hub
Sunny
Compare major city weather across King County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 80. North northwest wind 1 to 7 mph.
County Weather Overview
This county weather page brings together forecast coverage for King County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 31 of 31 mapped cities in King County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 10:06 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in King County
Monday looks like the warmest upcoming period in King County at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Thursday at about 2 to 8 mph WNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 10:06 AM PDT
- Coverage
- 8 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 58. East wind 2 to 7 mph.
Mostly sunny. High near 81, with temperatures falling to around 79 in the afternoon. North northwest wind 2 to 6 mph.
Rain likely after 11pm. Partly cloudy, with a low around 59. North northeast wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Rain likely. Mostly cloudy, with a high near 76. West northwest wind 2 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain before 5am. Mostly cloudy, with a low around 56. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 74.
Mostly clear, with a low around 55.
Sunny, with a high near 77.
Mostly clear, with a low around 56.
Sunny, with a high near 80.
Mostly clear, with a low around 58.
Sunny, with a high near 83.
Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 14
|
Sunny
|
80°F |
1 to 7 mph
NNW
|
|
Tonight
Jul 14
|
Partly Cloudy
|
58°F |
2 to 7 mph
E
|
|
Wednesday
Jul 15
|
Mostly Sunny
|
81°F |
2 to 6 mph
NNW
|
|
Wednesday Night
Jul 15
|
Light Rain Likely
|
59°F |
1 to 6 mph
NNE
|
|
Thursday
Jul 16
|
Light Rain Likely
|
76°F |
2 to 8 mph
WNW
|
|
Thursday Night
Jul 16
|
Chance Light Rain
|
56°F |
2 to 7 mph
SW
|
|
Friday
Jul 17
|
Mostly Sunny
|
74°F |
2 to 6 mph
WSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
55°F |
2 to 6 mph
WSW
|
|
Saturday
Jul 18
|
Sunny
|
77°F |
2 to 6 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
56°F |
2 to 6 mph
NE
|
|
Sunday
Jul 19
|
Sunny
|
80°F |
2 to 6 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
58°F |
2 to 6 mph
NE
|
|
Monday
Jul 20
|
Sunny
|
83°F |
2 to 6 mph
NNW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
62°F |
6 mph
NNE
|
Major City Forecasts
Live forecast snapshots for major cities across King County.
Coverage
Forecast coverage currently spans 31 of 31 mapped cities in King County.
Largest mapped city population in this region: 769,714.
