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.

Overcast

39°F

4°C

Humidity 75%
Wind Speed S 6 mph
Barometer 29.94 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Nov 11:16 pm EST
Extended Forecast for

Marine City MI

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. South southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. West northwest wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. West northwest wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 49. Light south southwest wind becoming south 5 to 10 mph in the morning.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain after 1am. Cloudy, with a low around 39. South wind around 6 mph. Chance of precipitation is 50%.

    Low: 39 °F

    Cloudy then
    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly before 1pm. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.

    Low: 40 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. South southwest wind around 8 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 49. West northwest wind 9 to 14 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 28. West northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 49. Light south southwest wind becoming south 5 to 10 mph in the morning.
Monday Night
A chance of rain after 1am. Cloudy, with a low around 39. South wind around 6 mph. Chance of precipitation is 50%.
Tuesday
Rain, mainly before 1pm. High near 53. Chance of precipitation is 80%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 26.
Thanksgiving Day
Mostly cloudy, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 36.
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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:
5:24 pm EST Nov 22, 2025
Forecast Valid:
11pm EST Nov 22, 2025-6pm EST Nov 29, 2025
 
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