National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Detroit/Grosse Ile, Grosse Ile Airport (KONZ)

Lat: 42.1°NLon: 83.16°WElev: 591ft.

Overcast

43°F

6°C

Humidity 93%
Wind Speed E 3 mph
Barometer 29.81 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 15 Nov 1:55 am EST
Extended Forecast for

Grosse Ile MI

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. South wind around 6 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers. Cloudy, with a high near 64. South wind 9 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northwest wind around 14 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 45. West northwest wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain before 1pm. Partly sunny, with a high near 42.

    High: 42 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. South wind around 6 mph.
Saturday
A slight chance of showers. Cloudy, with a high near 64. South wind 9 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northwest wind around 14 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 45. West northwest wind 14 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 29. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A chance of rain before 1pm. Partly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grosse Ile MI
 42.12°N 83.15°W (Elev. 584 ft)
Last Update:
8:13 pm EST Nov 14, 2025
Forecast Valid:
2am EST Nov 15, 2025-6pm EST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation