Mason County, WA Weather Forecast
County weather hub
Chance Light Rain
Compare major city weather across Mason County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain between 11am and 4pm. Mostly sunny, with a high near 68. West southwest wind 3 to 12 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 3:49 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Mason County
Monday looks like the warmest upcoming period in Mason County at 73 degrees F.
Saturday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Tuesday at about 2 to 14 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 3:49 AM PDT
- Coverage
- 6 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
Areas of fog after 2am. Partly cloudy, with a low around 44. Southwest wind 0 to 12 mph.
Areas of fog before 9am. Partly sunny, with a high near 69.
Partly cloudy, with a low around 46.
Partly sunny, with a high near 73.
A slight chance of rain after 11pm. Mostly cloudy, with a low around 48.
A chance of rain. Partly sunny, with a high near 68.
Rain. Mostly cloudy, with a low around 47.
Rain. Mostly cloudy, with a high near 62.
Rain likely. Mostly cloudy, with a low around 46.
Rain likely. Partly sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Chance Light Rain
|
68°F |
3 to 12 mph
WSW
|
|
Saturday Night
Aug 29
|
Partly Cloudy then Areas Of Fog
|
44°F |
0 to 12 mph
SW
|
|
Sunday
Aug 30
|
Areas Of Fog then Partly Sunny
|
69°F |
0 to 6 mph
SW
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
46°F |
0 to 6 mph
WNW
|
|
Monday
Aug 31
|
Partly Sunny
|
73°F |
0 to 6 mph
SSW
|
|
Monday Night
Aug 31
|
Slight Chance Light Rain
|
48°F |
1 to 6 mph
WSW
|
|
Tuesday
Sep 1
|
Chance Light Rain
|
68°F |
2 to 14 mph
SW
|
|
Tuesday Night
Sep 1
|
Rain
|
47°F |
8 to 14 mph
SW
|
|
Wednesday
Sep 2
|
Rain
|
62°F |
10 mph
SSW
|
|
Wednesday Night
Sep 2
|
Light Rain Likely
|
46°F |
5 to 8 mph
SW
|
|
Thursday
Sep 3
|
Light Rain Likely
|
65°F |
5 mph
SSW
|
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.
