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

25°F

-4°C

Humidity 69%
Wind Speed S 5 mph
Barometer 29.90 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 26 Feb 11:55 pm EST
Extended Forecast for

3 Miles W Marysville MI

  • Overnight

    Overnight: Partly cloudy, with a low around 22. South southwest wind around 7 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 48. South southwest wind 6 to 14 mph, with gusts as high as 26 mph.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. South southwest wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 37. West northwest wind around 7 mph becoming north in the afternoon.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow before 1am. Mostly cloudy, with a low around 14. North wind 5 to 7 mph. Chance of precipitation is 50%.

    Low: 14 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 30.

    High: 30 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 22. South southwest wind around 7 mph.
Friday
Sunny, with a high near 48. South southwest wind 6 to 14 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 30. South southwest wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph.
Saturday
Partly sunny, with a high near 37. West northwest wind around 7 mph becoming north in the afternoon.
Saturday Night
A chance of snow before 1am. Mostly cloudy, with a low around 14. North wind 5 to 7 mph. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Partly sunny, then gradually becoming sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 25.
Wednesday
A chance of rain. Mostly cloudy, with a high near 45.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 31.
Thursday
Rain likely. Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Marysville MI
 42.91°N 82.53°W (Elev. 646 ft)
Last Update:
3:27 pm EST Feb 26, 2026
Forecast Valid:
12am EST Feb 27, 2026-6pm EST Mar 5, 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