Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Overcast

45°F

7°C

Humidity 76%
Wind Speed S 6 mph
Barometer 30.07 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 20 Nov 3:35 pm EST
Extended Forecast for

Marine City MI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 47. South wind around 8 mph.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a steady temperature around 42. South wind around 6 mph.

    Low: 42 °F

    Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 51. West southwest wind 5 to 8 mph.

    High: 51 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. North northwest wind around 7 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: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 47. South wind around 8 mph.
Tonight
Cloudy, with a steady temperature around 42. South wind around 6 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 51. West southwest wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 30. Calm wind becoming north northwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 45. North northwest wind around 7 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
Partly sunny, with a high near 51.
Monday Night
Rain likely after 1am. Cloudy, with a low around 38.
Tuesday
Rain. Cloudy, with a high near 54.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.71°N 82.49°W (Elev. 581 ft)
3:49 pm EST Nov 20, 2025
3pm 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