Allegan, MI Weather Forecast

Local 7-day forecast

89°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Allegan, MI in one place.

Monday, July 13, 2026
Wind: 0 to 7 mph W
Monday

Sunny, with a high near 89. West wind 0 to 7 mph.

Local 7-day forecast

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: Jul 12, 2026 4:12 AM EDT.

The active forecast window currently covers Jul 13 to Jul 18, 2026 for Allegan, MI.

Page Snapshot

Page focus
city weather
Forecast window
Jul 13 to Jul 18, 2026
Latest sync
Jul 12, 2026 4:12 AM EDT
Forecast office
GRR
Source
NOAA / NWS
Next High
89°F
Monday
Next Low
68°F
Monday Night
Rain Outlook
4
Periods mentioning precipitation
Windiest
3 to 10 mph
Saturday

Daily Outlook

Today
Jul 13
Sunny
89 °F
/ 68°F
Wind 0 to 7 mph
Tue
Jul 14
Sunny
92 °F
/ 71°F
Wind 1 to 8 mph
Wed
Jul 15
Sunny
92 °F
/ 68°F
Wind 2 to 9 mph
Thu
Jul 16
Sunny
90 °F
/ 68°F
Wind 1 to 8 mph
Fri
Jul 17
Slight Chance Rain Showers
88 °F
/ 67°F
Wind 2 to 8 mph
Sat
Jul 18
Chance Showers And Thunderstorms
87 °F
Wind 3 to 10 mph

This Week in Allegan

Tuesday looks like the warmest upcoming period in Allegan at 92 degrees F.

Friday Night is the coolest period ahead with temperatures near 67 degrees F.

The strongest winds are forecast for Saturday at about 3 to 10 mph SW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Jul 12, 2026 4:12 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 source

Extended Forecast

Monday Night
Jul 13
68°F
Clear
1 to 6 mph WSW

Clear, with a low around 68. West southwest wind 1 to 6 mph.

Tuesday
Jul 14
92°F
Sunny
1 to 8 mph WSW

Sunny, with a high near 92.

Tuesday Night
Jul 14
71°F
Clear
2 to 7 mph WSW

Clear, with a low around 71.

Wednesday
Jul 15
92°F
Sunny
2 to 9 mph W

Sunny, with a high near 92.

Wednesday Night
Jul 15
68°F
Mostly Clear
1 to 8 mph WNW

Mostly clear, with a low around 68.

Thursday
Jul 16
90°F
Sunny
1 to 8 mph WSW

Sunny, with a high near 90.

Thursday Night
Jul 16
68°F
Partly Cloudy then Slight Chance Rain Showers
1 to 8 mph WSW

A slight chance of rain showers after 2am. Partly cloudy, with a low around 68.

Friday
Jul 17
88°F
Slight Chance Rain Showers
2 to 8 mph SW

A slight chance of rain showers. Mostly sunny, with a high near 88.

Friday Night
Jul 17
67°F
Chance Rain Showers
3 to 8 mph SW

A chance of rain showers. Partly cloudy, with a low around 67.

Saturday
Jul 18
87°F
Chance Showers And Thunderstorms
3 to 10 mph SW

A chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87.

Detailed Forecast

Period Conditions Temp Wind
Monday
Jul 13
Sunny
89°F
0 to 7 mph
W
Monday Night
Jul 13
Clear
68°F
1 to 6 mph
WSW
Tuesday
Jul 14
Sunny
92°F
1 to 8 mph
WSW
Tuesday Night
Jul 14
Clear
71°F
2 to 7 mph
WSW
Wednesday
Jul 15
Sunny
92°F
2 to 9 mph
W
Wednesday Night
Jul 15
Mostly Clear
68°F
1 to 8 mph
WNW
Thursday
Jul 16
Sunny
90°F
1 to 8 mph
WSW
Thursday Night
Jul 16
Partly Cloudy then Slight Chance Rain Showers
68°F
1 to 8 mph
WSW
Friday
Jul 17
Slight Chance Rain Showers
88°F
2 to 8 mph
SW
Friday Night
Jul 17
Chance Rain Showers
67°F
3 to 8 mph
SW
Saturday
Jul 18
Chance Showers And Thunderstorms
87°F
3 to 10 mph
SW
Allegan Michigan main street
Allegan Michigan main street image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.