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.

Fair

63°F

17°C

Humidity 77%
Wind Speed N 6 mph
Barometer 30.28 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Sep 8:55 am EDT
Extended Forecast for

Grosse Ile MI

  • Today

    Today: Mostly sunny, with a high near 73. Northeast wind 8 to 10 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Northeast wind 7 to 11 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly between 11am and 4pm. Mostly cloudy, with a high near 69. East wind 7 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm. Low around 57. Northeast wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 66. North northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers before 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers after 2am. Cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 61. Breezy.

    High: 61 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 73. Northeast wind 8 to 10 mph.
Tonight
Mostly cloudy, with a low around 57. Northeast wind 7 to 11 mph.
Saturday
Showers likely, mainly between 11am and 4pm. Mostly cloudy, with a high near 69. East wind 7 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers, mainly after 8pm. Low around 57. Northeast wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 66. North northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
A chance of showers before 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
Monday Night
A chance of showers after 2am. Cloudy, with a low around 53. Breezy.
Tuesday
A chance of showers. Mostly cloudy, with a high near 61. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Breezy.
Wednesday
A chance of showers. Mostly cloudy, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grosse Ile MI
 42.12°N 83.15°W (Elev. 584 ft)
Last Update:
4:24 am EDT Sep 18, 2026
Forecast Valid:
9am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation