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

36°F

2°C

Humidity 70%
Wind Speed Calm
Barometer 30.40 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 11 Apr 5:15 am EDT
Extended Forecast for

Marine City MI

  • Today

    Today: Sunny, with a high near 52. North wind 3 to 5 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: A chance of showers after 2am. Increasing clouds, with a low around 37. East northeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 68. Southeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers after 2am. Low around 60. South southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Mostly Cloudy
    then Showers

  • Monday

    Monday: Showers, mainly before 8am. High near 74. West southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 76.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 52. North wind 3 to 5 mph.
Tonight
A chance of showers after 2am. Increasing clouds, with a low around 37. East northeast wind around 5 mph. Chance of precipitation is 30%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 68. Southeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Sunday Night
Showers after 2am. Low around 60. South southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly before 8am. High near 74. West southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 76.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 55.
Thursday
A chance of showers. Partly sunny, with a high near 72.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 54.
Friday
A chance of showers. Mostly sunny, with a high near 72.
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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:
4:25 am EDT Apr 11, 2026
Forecast Valid:
5am EDT Apr 11, 2026-6pm EDT Apr 17, 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