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

75°F

24°C

Humidity 74%
Wind Speed S 9 mph
Barometer 30.04 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 Aug 3:55 pm EDT
Extended Forecast for

Isle Saint George OH

  • Tonight

    Tonight: Mostly clear, with a low around 72. Light and variable wind becoming southwest 5 to 8 mph in the evening.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 79. Southwest wind 10 to 14 mph.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 68. Northwest wind 11 to 13 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 74. West wind around 11 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Breezy, with a west wind 17 to 21 mph.

    Low: 64 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 68. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Light and variable wind becoming southwest 5 to 8 mph in the evening.
Saturday
Partly sunny, with a high near 79. Southwest wind 10 to 14 mph.
Saturday Night
A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 68. Northwest wind 11 to 13 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 74. West wind around 11 mph.
Sunday Night
Mostly clear, with a low around 64. Breezy, with a west wind 17 to 21 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 68. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
A chance of showers. Mostly sunny, with a high near 72. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Isle Saint George OH
 41.73°N 82.82°W (Elev. 571 ft)
Last Update:
3:51 pm EDT Aug 22, 2025
Forecast Valid:
4pm EDT Aug 22, 2025-6pm EDT Aug 29, 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