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

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fog

64°F

18°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 63°F (17°C)
Visibility 0.50 mi
Last update 4 Sep 6:15 am EDT
Extended Forecast for

Marine City MI

  • Today

    Today: Showers and thunderstorms, mainly before noon. Areas of fog before 2pm. High near 79. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers and
    Areas Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 62. Light northeast wind. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 77. Northeast wind 3 to 8 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. North northeast wind 5 to 8 mph becoming calm after midnight.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 77. Northeast wind 3 to 7 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before noon. Areas of fog before 2pm. High near 79. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 62. Light northeast wind. Chance of precipitation is 30%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 77. Northeast wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 56. North northeast wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 77. Northeast wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 55.
Labor Day
Mostly sunny, with a high near 78.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 64.
Wednesday
A chance of showers. Mostly cloudy, with a high near 83.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66.
Thursday
A chance of showers. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.71°N 82.49°W (Elev. 581 ft)
Last Update:
4:24 am EDT Sep 4, 2026
Forecast Valid:
6am EDT Sep 4, 2026-6pm EDT Sep 10, 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