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.

Mostly Cloudy

28°F

-2°C

Humidity 55%
Wind Speed W 5 mph
Barometer 30.58 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 28 Mar 9:15 am EDT
Extended Forecast for

Marine City MI

  • Today

    Today: Sunny, with a high near 42. West southwest wind around 10 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 54. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. Southwest wind 7 to 9 mph.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. South southwest wind 6 to 8 mph.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain likely and possibly a thunderstorm before 8am, then a chance of rain and thunderstorms between 8am and 2pm, then rain and possibly a thunderstorm after 2pm. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm before 2am, then rain likely. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 42. West southwest wind around 10 mph.
Tonight
Mostly cloudy, with a low around 33. South wind 7 to 9 mph, with gusts as high as 18 mph.
Sunday
Mostly cloudy, with a high near 54. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 43. Southwest wind 7 to 9 mph.
Monday
Partly sunny, with a high near 60. South southwest wind 6 to 8 mph.
Monday Night
A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Tuesday
Rain likely and possibly a thunderstorm before 8am, then a chance of rain and thunderstorms between 8am and 2pm, then rain and possibly a thunderstorm after 2pm. High near 68. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm before 2am, then rain likely. Mostly cloudy, with a low around 39.
Wednesday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 34.
Friday
A chance of rain. Mostly cloudy, with a high near 53.
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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:
4:24 am EDT Mar 28, 2026
Forecast Valid:
9am EDT Mar 28, 2026-6pm EDT Apr 3, 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