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Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Overcast

36°F

2°C

Humidity 87%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Nov 9:56 am EST
Extended Forecast for

Marine City MI

  • Today

    Today: Patchy drizzle before noon.  Mostly cloudy, with a high near 48. South wind around 6 mph.

    High: 48 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 39. South wind around 6 mph.

    Low: 39 °F

    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 52. West southwest wind 5 to 8 mph.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. North northwest wind 3 to 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. North northwest wind around 6 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy drizzle before noon. Mostly cloudy, with a high near 48. South wind around 6 mph.
Tonight
Cloudy, with a low around 39. South wind around 6 mph.
Friday
Mostly cloudy, with a high near 52. West southwest wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 31. North northwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 45. North northwest wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 51.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 36.
Tuesday
Rain likely. Cloudy, with a high near 52.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.71°N 82.49°W (Elev. 581 ft)
9:24 am EST Nov 20, 2025
10am EST Nov 20, 2025-6pm EST Nov 26, 2025
 
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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