Island County, WA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Island County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 68.
County Weather Overview
This county weather page brings together forecast coverage for Island County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Island County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 1, 2026
- Latest sync
- May 26, 2026 5:02 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Island County
Monday looks like the warmest upcoming period in Island County at 68 degrees F.
Monday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Monday at about 5 to 10 mph WNW.
The forecast from Jun 1 through Jun 1 stays mostly dry.
Forecast Details
- Last updated
- May 26, 2026 5:02 PM PDT
- Coverage
- 2 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 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Mostly Sunny
|
68°F |
5 to 10 mph
WNW
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
52°F |
2 to 8 mph
WNW
|
Major City Forecasts
Live forecast snapshots for major cities across Island County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Island County.
Largest mapped city population in this region: 23,643.
