National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

64°F

18°C

Humidity 40%
Wind Speed S 8 mph
Barometer 29.88 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 21 Apr 5:15 pm EDT
Extended Forecast for

Marine City MI

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 44. South southwest wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66. North wind around 6 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. North northeast wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. East southeast wind 3 to 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 65. Chance of precipitation is 40%.

    High: 65 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 2pm. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 44. South southwest wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 66. North wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 41. North northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 69. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50. East southeast wind 3 to 6 mph.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 65. Chance of precipitation is 40%.
Friday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Saturday
A chance of showers before 2pm. Mostly cloudy, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 44.
Monday
A chance of showers. Mostly sunny, with a high near 66.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers. Mostly cloudy, with a high near 66.
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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 pm EDT Apr 21, 2026
Forecast Valid:
5pm EDT Apr 21, 2026-6pm EDT Apr 28, 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