Mattawan, MI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mattawan, MI in one place.
Mostly sunny, with a high near 81. South wind 3 to 8 mph.
Local Weather Overview
This forecast page for Mattawan, 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: Aug 28, 2026 1:47 AM EDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Mattawan, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 1:47 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Mattawan
Monday looks like the warmest upcoming period in Mattawan at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Sunday at about 6 to 12 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 1:47 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 slight chance of rain showers after 2am. Mostly cloudy, with a low around 66. South wind around 6 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 8am. Partly sunny, with a high near 84.
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71.
A chance of showers and thunderstorms before 8am. Partly sunny, with a high near 87.
A slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73.
A slight chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 71.
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69.
A chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Sunny
|
81°F |
3 to 8 mph
S
|
|
Saturday Night
Aug 29
|
Mostly Cloudy then Slight Chance Rain Showers
|
66°F |
6 mph
S
|
|
Sunday
Aug 30
|
Slight Chance Rain Showers then Partly Sunny
|
84°F |
6 to 12 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
71°F |
10 mph
SSW
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms then Partly Sunny
|
87°F |
10 mph
SW
|
|
Monday Night
Aug 31
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
73°F |
6 to 9 mph
SW
|
|
Tuesday
Sep 1
|
Slight Chance Showers And Thunderstorms
|
87°F |
6 to 9 mph
SW
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
71°F |
2 to 8 mph
SSW
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms
|
86°F |
2 to 8 mph
SW
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
69°F |
2 to 7 mph
SW
|
|
Thursday
Sep 3
|
Chance Showers And Thunderstorms
|
84°F |
3 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mattawan.