Grass Lake, MI Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Grass Lake, MI in one place.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 83. South southeast wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
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: Aug 10, 2026 2:21 AM EDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Grass Lake, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 2:21 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 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Wednesday at about 1 to 8 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 2:21 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
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. South southwest wind 1 to 6 mph. Chance of precipitation is 60%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 59.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 78.
A slight chance of rain showers after 8pm. Partly cloudy, with a low around 53.
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
A chance of rain showers. Partly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Showers And Thunderstorms Likely
|
83°F |
1 to 6 mph
SSE
|
|
Tuesday Night
Aug 11
|
Showers And Thunderstorms Likely
|
62°F |
1 to 6 mph
SSW
|
|
Wednesday
Aug 12
|
Chance Showers And Thunderstorms
|
83°F |
1 to 8 mph
W
|
|
Wednesday Night
Aug 12
|
Chance Showers And Thunderstorms
|
59°F |
2 to 7 mph
NW
|
|
Thursday
Aug 13
|
Mostly Sunny
|
81°F |
2 to 8 mph
NNW
|
|
Thursday Night
Aug 13
|
Partly Cloudy
|
54°F |
2 to 7 mph
N
|
|
Friday
Aug 14
|
Mostly Sunny
|
78°F |
2 to 6 mph
NNE
|
|
Friday Night
Aug 14
|
Slight Chance Rain Showers
|
53°F |
5 mph
ENE
|
|
Saturday
Aug 15
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
78°F |
2 to 6 mph
ESE
|
|
Saturday Night
Aug 15
|
Chance Showers And Thunderstorms
|
57°F |
2 to 6 mph
SSE
|
|
Sunday
Aug 16
|
Chance Rain Showers
|
79°F |
2 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grass Lake.