Grass Lake, MI Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grass Lake, MI in one place.
Partly sunny, with a high near 64. Northeast wind 2 to 6 mph.
Local Weather Overview
This forecast page for Grass Lake, 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: Sep 24, 2026 8:47 AM EDT.
The active forecast window currently covers Sep 25 to Sep 30, 2026 for Grass Lake, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 25 to Sep 30, 2026
- Latest sync
- Sep 24, 2026 8:47 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Grass Lake
Tuesday looks like the warmest upcoming period in Grass Lake at 69 degrees F.
Friday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 12 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 24, 2026 8:47 AM EDT
- Coverage
- 6 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 44. Northeast wind around 3 mph.
Sunny, with a high near 68. Northeast wind around 3 mph.
Mostly clear, with a low around 45.
Sunny, with a high near 68.
Mostly clear, with a low around 46.
Sunny, with a high near 67.
Mostly clear, with a low around 48.
Sunny, with a high near 69.
A chance of rain showers after 8pm. Partly cloudy, with a low around 56.
A chance of rain showers. Partly sunny, with a high near 69.
A chance of rain showers. Mostly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Sep 25
|
Partly Sunny
|
64°F |
2 to 6 mph
NE
|
|
Friday Night
Sep 25
|
Mostly Clear
|
44°F |
3 mph
NE
|
|
Saturday
Sep 26
|
Sunny
|
68°F |
3 mph
NE
|
|
Saturday Night
Sep 26
|
Mostly Clear
|
45°F |
0 to 3 mph
NNE
|
|
Sunday
Sep 27
|
Sunny
|
68°F |
0 to 3 mph
N
|
|
Sunday Night
Sep 27
|
Mostly Clear
|
46°F |
0 to 3 mph
NNE
|
|
Monday
Sep 28
|
Sunny
|
67°F |
0 to 3 mph
N
|
|
Monday Night
Sep 28
|
Mostly Clear
|
48°F |
2 mph
NNE
|
|
Tuesday
Sep 29
|
Sunny
|
69°F |
0 to 7 mph
W
|
|
Tuesday Night
Sep 29
|
Chance Rain Showers
|
56°F |
7 mph
S
|
|
Wednesday
Sep 30
|
Chance Rain Showers
|
69°F |
8 to 12 mph
S
|
|
Wednesday Night
Sep 30
|
Chance Rain Showers
|
57°F |
7 to 10 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grass Lake.
