Grass Lake, MI Weather Forecast

Local 7-day forecast

83°
F

Showers And Thunderstorms Likely

Track current conditions, temperature changes, wind, and the full daily outlook for Grass Lake, MI in one place.

Tuesday, August 11, 2026
Wind: 1 to 6 mph SSE
Tuesday

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 7-day forecast

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
Next High
83°F
Tuesday
Next Low
62°F
Tuesday Night
Rain Outlook
8
Periods mentioning precipitation
Windiest
1 to 8 mph
Wednesday

Daily Outlook

Today
Aug 11
Showers And Thunderstorms Likely
83 °F
/ 62°F
Wind 1 to 6 mph
Wed
Aug 12
Chance Showers And Thunderstorms
83 °F
/ 59°F
Wind 1 to 8 mph
Thu
Aug 13
Mostly Sunny
81 °F
/ 54°F
Wind 2 to 8 mph
Fri
Aug 14
Mostly Sunny
78 °F
/ 53°F
Wind 2 to 6 mph
Sat
Aug 15
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
78 °F
/ 57°F
Wind 2 to 6 mph
Sun
Aug 16
Chance Rain Showers
79 °F
Wind 2 to 7 mph

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 source

Extended Forecast

Tuesday Night
Aug 11
62°F
Showers And Thunderstorms Likely
1 to 6 mph SSW

Showers and thunderstorms likely. Mostly cloudy, with a low around 62. South southwest wind 1 to 6 mph. Chance of precipitation is 60%.

Wednesday
Aug 12
83°F
Chance Showers And Thunderstorms
1 to 8 mph W

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%.

Wednesday Night
Aug 12
59°F
Chance Showers And Thunderstorms
2 to 7 mph NW

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 59.

Thursday
Aug 13
81°F
Mostly Sunny
2 to 8 mph NNW

Mostly sunny, with a high near 81.

Thursday Night
Aug 13
54°F
Partly Cloudy
2 to 7 mph N

Partly cloudy, with a low around 54.

Friday
Aug 14
78°F
Mostly Sunny
2 to 6 mph NNE

Mostly sunny, with a high near 78.

Friday Night
Aug 14
53°F
Slight Chance Rain Showers
5 mph ENE

A slight chance of rain showers after 8pm. Partly cloudy, with a low around 53.

Saturday
Aug 15
78°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
2 to 6 mph ESE

A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.

Saturday Night
Aug 15
57°F
Chance Showers And Thunderstorms
2 to 6 mph SSE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

Sunday
Aug 16
79°F
Chance Rain Showers
2 to 7 mph S

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
Grass Lake downtown Michigan Ave. facing west
Grass Lake downtown Michigan Ave. facing west image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.