Mason County, WA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Mason County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 67.
County Weather Overview
This county weather page brings together forecast coverage for Mason County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Mason County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 15 to Oct 16, 2026
- Latest sync
- Oct 10, 2026 10:51 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Mason County
Thursday looks like the warmest upcoming period in Mason County at 67 degrees F.
Thursday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Friday Night at about 6 to 15 mph W.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 10, 2026 10:51 AM PDT
- Coverage
- 3 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KLGX
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 45.
A chance of rain after 5pm. Mostly sunny, with a high near 67.
A chance of rain. Partly cloudy, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Mostly Sunny
|
67°F |
3 mph
ENE
|
|
Thursday Night
Oct 15
|
Partly Cloudy
|
45°F |
3 to 10 mph
NNE
|
|
Friday
Oct 16
|
Mostly Sunny then Chance Light Rain
|
67°F |
7 mph
S
|
|
Friday Night
Oct 16
|
Chance Light Rain
|
45°F |
6 to 15 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Mason County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Mason County.
Largest mapped city population in this region: 10,955.
