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.

Fog/Mist

39°F

4°C

Humidity 87%
Wind Speed S 3 mph
Barometer 29.95 in
Dewpoint 36°F (2°C)
Visibility 1.75 mi
Last update 16 Feb 11:15 pm EST
Extended Forecast for

Marine City MI

  • Tonight

    Tonight: A slight chance of rain before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 32. West southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 45. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 45 °F

    Areas Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Rain after 1am. Patchy fog between 9pm and 1am. Low around 36. East southeast wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Patchy Fog
    then Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain, mainly before 3pm. High near 52. Southeast wind 9 to 11 mph becoming west southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. West southwest wind 5 to 7 mph becoming east southeast after midnight.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 32. West southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Tuesday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 45. Light and variable wind becoming east around 5 mph in the afternoon.
Tuesday Night
Rain after 1am. Patchy fog between 9pm and 1am. Low around 36. East southeast wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly before 3pm. High near 52. Southeast wind 9 to 11 mph becoming west southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Partly cloudy, with a low around 34. West southwest wind 5 to 7 mph becoming east southeast after midnight.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 45.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A chance of snow. Partly sunny, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 29.
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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:
4:13 pm EST Feb 16, 2026
Forecast Valid:
11pm EST Feb 16, 2026-6pm EST Feb 23, 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