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.

Fair

48°F

9°C

Humidity 29%
Wind Speed S 16 mph
Barometer 30.36 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 8 Apr 2:15 pm EDT
Extended Forecast for

Marine City MI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 51. South wind around 14 mph, with gusts as high as 24 mph.

    High: 51 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. South southeast wind around 11 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of rain before 2pm. Increasing clouds, with a high near 66. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely after 2am. Mostly cloudy, with a low around 41. West wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain, mainly before 2pm. High near 50. North wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 51. South wind around 14 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 42. South southeast wind around 11 mph, with gusts as high as 21 mph.
Thursday
A chance of rain before 2pm. Increasing clouds, with a high near 66. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday Night
Rain likely after 2am. Mostly cloudy, with a low around 41. West wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 2pm. High near 50. North wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
A chance of rain before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
A chance of rain. Mostly cloudy, with a high near 73.
Monday Night
A chance of rain. Mostly cloudy, with a low around 55.
Tuesday
Rain likely. Mostly cloudy, with a high near 70.
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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:
10:13 am EDT Apr 8, 2026
Forecast Valid:
2pm EDT Apr 8, 2026-6pm EDT Apr 14, 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