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 97. Heat index values as high as 106. West southwest wind around 8 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: Jul 14, 2026 7:29 PM EDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Napoleon, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:29 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Napoleon
Wednesday looks like the warmest upcoming period in Napoleon at 98 degrees F.
Sunday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 5 to 12 mph WSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 7:29 PM EDT
- Coverage
- 7 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
Mostly clear, with a low around 70. Heat index values as high as 105. West wind 5 to 8 mph.
Mostly sunny, with a high near 98. Heat index values as high as 105. West wind 5 to 8 mph.
Smoke after 10pm. Partly cloudy, with a low around 68. North northwest wind 2 to 7 mph.
Smoke. Sunny, with a high near 93. Northeast wind 1 to 5 mph.
Smoke before 8pm. Mostly clear, with a low around 67.
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 91.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68.
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 65.
Mostly sunny, with a high near 87.
Partly cloudy, with a low around 64.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88.
A chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 14
|
Sunny
|
97°F |
8 mph
WSW
|
|
Tonight
Jul 14
|
Mostly Clear
|
70°F |
5 to 8 mph
W
|
|
Wednesday
Jul 15
|
Mostly Sunny
|
98°F |
5 to 8 mph
W
|
|
Wednesday Night
Jul 15
|
Smoke
|
68°F |
2 to 7 mph
NNW
|
|
Thursday
Jul 16
|
Smoke
|
93°F |
1 to 5 mph
NE
|
|
Thursday Night
Jul 16
|
Smoke then Mostly Clear
|
67°F |
1 to 5 mph
ENE
|
|
Friday
Jul 17
|
Mostly Sunny then Showers And Thunderstorms Likely
|
91°F |
2 to 6 mph
SSE
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
68°F |
6 mph
SW
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
91°F |
5 to 12 mph
WSW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
65°F |
6 to 12 mph
WNW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
87°F |
7 mph
NNW
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
64°F |
2 to 6 mph
W
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
88°F |
3 to 12 mph
WSW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
64°F |
8 to 12 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Napoleon.