Mason County, MI Weather Forecast
County weather hub
Sunny
Compare major city weather across Mason County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 69.
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 2 mapped cities in Mason County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 1, 2026
- Latest sync
- May 26, 2026 2:09 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Mason County
Monday looks like the warmest upcoming period in Mason County at 70 degrees F.
Saturday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Saturday at about 6 to 14 mph NE.
The forecast from May 30 through Jun 1 stays mostly dry.
Forecast Details
- Last updated
- May 26, 2026 2:09 PM EDT
- Coverage
- 3 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KGRR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 51.
Sunny, with a high near 67.
Mostly clear, with a low around 52.
Sunny, with a high near 70.
Mostly clear, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Sunny
|
69°F |
6 to 14 mph
NE
|
|
Saturday Night
May 30
|
Mostly Clear
|
51°F |
5 to 13 mph
NE
|
|
Sunday
May 31
|
Sunny
|
67°F |
5 to 13 mph
N
|
|
Sunday Night
May 31
|
Mostly Clear
|
52°F |
5 to 12 mph
NNW
|
|
Monday
Jun 1
|
Sunny
|
70°F |
5 to 14 mph
NNW
|
|
Monday Night
Jun 1
|
Mostly Clear
|
54°F |
5 to 13 mph
NNE
|
Major City Forecasts
Live forecast snapshots for major cities across Mason County.
Coverage
Forecast coverage currently spans 1 of 2 mapped cities in Mason County.
Largest mapped city population in this region: 8,096.