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

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Partly Cloudy

43°F

6°C

Humidity 71%
Wind Speed S 7 mph
Barometer 29.80 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 27 Feb 7:55 pm EST
Extended Forecast for

Marine City MI

  • Tonight

    Tonight: A slight chance of rain between 11pm and 1am. Mostly cloudy, with a low around 32. South wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 37. Northwest wind around 7 mph.

    High: 37 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. North northeast wind 7 to 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Sunday

    Sunday: Partly sunny, with a high near 26. North wind around 9 mph.

    High: 26 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12. North northeast wind around 6 mph becoming light and variable after midnight.

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 21.

    Low: 21 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of rain and snow. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Rain

Detailed Forecast

Tonight
A slight chance of rain between 11pm and 1am. Mostly cloudy, with a low around 32. South wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 37. Northwest wind around 7 mph.
Saturday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. North northeast wind 7 to 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 26. North wind around 9 mph.
Sunday Night
Partly cloudy, with a low around 12. North northeast wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 30.
Monday Night
Increasing clouds, with a low around 21.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 39.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32.
Thursday
Rain likely. Mostly cloudy, with a high near 48.
Thursday Night
Rain likely. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.71°N 82.49°W (Elev. 581 ft)
Last Update:
3:36 pm EST Feb 27, 2026
Forecast Valid:
8pm EST Feb 27, 2026-6pm EST Mar 6, 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