Allegan, MI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Allegan, MI in one place.
Mostly sunny, with a high near 76. West southwest wind 8 to 12 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Allegan, MI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 12, 2026 4:46 AM EDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Allegan, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 4:46 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Allegan
Tuesday looks like the warmest upcoming period in Allegan at 76 degrees F.
Friday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 12 to 16 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 4:46 AM EDT
- Coverage
- 6 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
Rain showers likely after 2am. Partly cloudy, with a low around 56. Northwest wind 0 to 7 mph. Chance of precipitation is 60%.
Rain showers likely before 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Mostly cloudy, with a low around 48.
Rain showers likely after 8am. Mostly cloudy, with a high near 65.
Rain showers likely. Mostly cloudy, with a low around 46.
A chance of rain showers. Mostly cloudy, with a high near 56.
A chance of rain showers before 8pm. Partly cloudy, with a low around 33.
Sunny, with a high near 53.
Mostly clear, with a low around 34.
Sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny
|
76°F |
8 to 12 mph
WSW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy then Rain Showers Likely
|
56°F |
0 to 7 mph
NW
|
|
Wednesday
Oct 14
|
Rain Showers Likely
|
68°F |
0 to 6 mph
N
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
48°F |
6 mph
NE
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
65°F |
7 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
46°F |
2 to 10 mph
NNW
|
|
Friday
Oct 16
|
Chance Rain Showers
|
56°F |
12 to 16 mph
NW
|
|
Friday Night
Oct 16
|
Chance Rain Showers then Partly Cloudy
|
33°F |
2 to 16 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
53°F |
1 to 7 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
34°F |
2 to 6 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
60°F |
6 to 12 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allegan.
