King County, WA Weather Forecast
County weather hub
Chance Light Rain
Compare major city weather across King County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain. Partly sunny, with a high near 57.
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
- May 26, 2026
- Latest sync
- May 20, 2026 4:37 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in King County
Tuesday looks like the warmest upcoming period in King County at 57 degrees F.
Tuesday is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 7 mph SW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 20, 2026 4:37 AM PDT
- Coverage
- 1 day
- 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
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Chance Light Rain
|
57°F |
3 to 7 mph
SW
|
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.
