City of Allegan Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for City of Allegan in one place.
A chance of rain showers. Mostly cloudy, with a high near 72. Northeast wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for City of Allegan 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: Sep 15, 2026 8:22 AM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for City of Allegan.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 8:22 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in City of Allegan
Thursday looks like the warmest upcoming period in City of Allegan at 76 degrees F.
Monday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Saturday at about 10 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 8:22 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
A chance of rain showers before 11pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. East southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 2pm. Mostly cloudy, with a high near 76. Southwest wind 2 to 6 mph. Chance of precipitation is 70%.
Mostly cloudy, with a low around 55.
Partly sunny, with a high near 74.
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56.
Showers and thunderstorms likely. Partly sunny, with a high near 76.
Showers and thunderstorms likely. Mostly cloudy, with a low around 58.
Showers and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 71.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
A chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 68.
Partly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Chance Rain Showers
|
72°F |
2 to 6 mph
NE
|
|
Wednesday Night
Sep 16
|
Showers And Thunderstorms Likely
|
61°F |
5 mph
ESE
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
76°F |
2 to 6 mph
SW
|
|
Thursday Night
Sep 17
|
Mostly Cloudy
|
55°F |
5 mph
N
|
|
Friday
Sep 18
|
Partly Sunny
|
74°F |
6 mph
ENE
|
|
Friday Night
Sep 18
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
56°F |
8 mph
ESE
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
76°F |
10 mph
S
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
58°F |
6 to 10 mph
W
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
71°F |
6 to 9 mph
N
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
50°F |
3 to 9 mph
NE
|
|
Monday
Sep 21
|
Chance Showers And Thunderstorms
|
68°F |
5 to 9 mph
NE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
46°F |
3 to 9 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around City of Allegan.