Napoleon, MI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Napoleon, MI in one place.
Sunny, with a high near 56. East wind 2 to 6 mph.
Local Weather Overview
This forecast page for Napoleon, 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: Apr 9, 2026 3:52 PM EDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Napoleon, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:52 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Napoleon
Tuesday looks like the warmest upcoming period in Napoleon at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Sunday at about 8 to 17 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:52 PM EDT
- Coverage
- 5 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KDTX
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 39.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm. Mostly cloudy, with a high near 75.
A slight chance of rain showers between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Showers and thunderstorms likely. Mostly cloudy, with a high near 79.
Showers and thunderstorms likely. Mostly cloudy, with a low around 61.
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
56°F |
2 to 6 mph
E
|
|
Saturday Night
Apr 11
|
Mostly Cloudy then Slight Chance Rain Showers
|
39°F |
8 mph
SE
|
|
Sunday
Apr 12
|
Chance Showers And Thunderstorms
|
75°F |
8 to 17 mph
S
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
60°F |
17 mph
SW
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
75°F |
17 mph
SW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
62°F |
10 to 14 mph
SW
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
79°F |
12 to 16 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
61°F |
13 mph
SW
|
|
Wednesday
Apr 15
|
Rain Showers Likely
|
74°F |
10 to 17 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
51°F |
10 to 15 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Napoleon.