Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

25°F

-4°C

Humidity 59%
Wind Speed NW 13 mph
Barometer 30.26 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 12 Feb 10:15 am EST
Extended Forecast for

Marine City MI

  • Today

    Today: Mostly sunny, with a high near 31. Northwest wind around 8 mph.

    High: 31 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 17. Light and variable wind.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Southwest wind 5 to 9 mph becoming light west  after midnight.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 40. Calm wind becoming southwest around 5 mph.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 31. Northwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 17. Light and variable wind.
Friday
Mostly sunny, with a high near 35. Light south southwest wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 25. Southwest wind 5 to 9 mph becoming light west after midnight.
Saturday
Mostly sunny, with a high near 40. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 27.
Washington's Birthday
Partly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 43.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 36.
Wednesday
Rain likely. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.71°N 82.49°W (Elev. 581 ft)
3:24 am EST Feb 12, 2026
10am EST Feb 12, 2026-6pm EST Feb 18, 2026
 
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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