Allegan County, MI Weather Forecast
County weather hub
Clear
Compare major city weather across Allegan County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Clear, with a low around 50. East wind 1 to 7 mph.
County Weather Overview
This county weather page brings together forecast coverage for Allegan County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 8 of 8 mapped cities in Allegan County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 28 to Jun 4, 2026
- Latest sync
- May 28, 2026 8:36 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Allegan County
Thursday looks like the warmest upcoming period in Allegan County at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Saturday at about 10 mph ENE.
The forecast from May 28 through Jun 4 stays mostly dry.
Forecast Details
- Last updated
- May 28, 2026 8:36 PM EDT
- Coverage
- 8 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
Sunny. High near 78, with temperatures falling to around 76 in the afternoon. Southwest wind 1 to 8 mph.
Mostly clear. Low around 53, with temperatures rising to around 57 overnight. North wind 1 to 9 mph, with gusts as high as 22 mph.
Mostly sunny, with a high near 75. East northeast wind around 10 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 48. East wind 3 to 9 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 51.
Sunny, with a high near 79.
Mostly clear, with a low around 51.
Sunny, with a high near 79.
Mostly clear, with a low around 51.
Sunny, with a high near 79.
Mostly clear, with a low around 55.
Sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
May 28
|
Clear
|
50°F |
1 to 7 mph
E
|
|
Friday
May 29
|
Sunny
|
78°F |
1 to 8 mph
SW
|
|
Friday Night
May 29
|
Mostly Clear
|
53°F |
1 to 9 mph
N
|
|
Saturday
May 30
|
Mostly Sunny
|
75°F |
10 mph
ENE
|
|
Saturday Night
May 30
|
Partly Cloudy
|
48°F |
3 to 9 mph
E
|
|
Sunday
May 31
|
Mostly Sunny
|
77°F |
5 mph
SSE
|
|
Sunday Night
May 31
|
Partly Cloudy
|
51°F |
0 to 5 mph
NNW
|
|
Monday
Jun 1
|
Sunny
|
79°F |
0 to 9 mph
NNW
|
|
Monday Night
Jun 1
|
Mostly Clear
|
51°F |
2 to 8 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
79°F |
2 to 9 mph
NNE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
51°F |
2 to 8 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
79°F |
2 to 7 mph
S
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
55°F |
2 to 6 mph
SSW
|
|
Thursday
Jun 4
|
Sunny
|
83°F |
2 to 7 mph
SSW
|
Major City Forecasts
Live forecast snapshots for major cities across Allegan County.
Coverage
Forecast coverage currently spans 8 of 8 mapped cities in Allegan County.
Largest mapped city population in this region: 26,033.
