Decatur, MI Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Decatur, MI in one place.
Partly sunny. High near 57, with temperatures falling to around 53 in the afternoon. Southwest wind around 3 mph.
Local Weather Overview
This forecast page for Decatur, 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: Nov 9, 2026 6:47 PM EST.
The active forecast window currently covers Nov 9 to Nov 15, 2026 for Decatur, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 9 to Nov 15, 2026
- Latest sync
- Nov 9, 2026 6:47 PM EST
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Decatur
Tuesday looks like the warmest upcoming period in Decatur at 60 degrees F.
Friday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Thursday at about 7 to 12 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 6:47 PM EST
- Coverage
- 7 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy. Low around 43, with temperatures rising to around 45 overnight. Southwest wind 3 to 7 mph.
Sunny. High near 60, with temperatures falling to around 55 in the afternoon. West wind 3 to 8 mph.
Mostly cloudy, with a low around 38. West wind 0 to 3 mph.
A chance of rain showers after 1pm. Mostly cloudy, with a high near 56. Southeast wind 1 to 5 mph. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a high near 47.
A chance of rain showers before 10pm, then a slight chance of rain and snow showers between 10pm and 1am. Mostly cloudy, with a low around 29.
Mostly sunny, with a high near 42.
Partly cloudy, with a low around 28.
Mostly sunny, with a high near 44.
Partly cloudy, with a low around 32.
Mostly sunny, with a high near 48.
Partly cloudy, with a low around 34.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 9
|
Partly Sunny
|
57°F |
3 mph
SW
|
|
Tonight
Nov 9
|
Partly Cloudy
|
43°F |
3 to 7 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
60°F |
3 to 8 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Cloudy
|
38°F |
0 to 3 mph
W
|
|
Veterans Day
Nov 11
|
Mostly Cloudy then Chance Rain Showers
|
56°F |
1 to 5 mph
SE
|
|
Wednesday Night
Nov 11
|
Chance Rain Showers
|
38°F |
6 mph
NNE
|
|
Thursday
Nov 12
|
Chance Rain Showers
|
47°F |
7 to 12 mph
N
|
|
Thursday Night
Nov 12
|
Slight Chance Rain And Snow Showers
|
29°F |
5 to 12 mph
N
|
|
Friday
Nov 13
|
Mostly Sunny
|
42°F |
3 to 10 mph
N
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
28°F |
0 to 6 mph
N
|
|
Saturday
Nov 14
|
Mostly Sunny
|
44°F |
0 to 7 mph
NNW
|
|
Saturday Night
Nov 14
|
Partly Cloudy
|
32°F |
0 to 3 mph
NNW
|
|
Sunday
Nov 15
|
Mostly Sunny
|
48°F |
0 to 6 mph
W
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
34°F |
2 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Decatur.