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.

Overcast

23°F

-5°C

Humidity 80%
Wind Speed SW 9 G 20 mph
Barometer 29.97 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 3 Dec 8:36 am EST
Extended Forecast for

Marysville MI

  • Today

    Today: A slight chance of snow showers after 2pm. Cloudy, with a high near 30. Southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 30 °F

    Cloudy then
    Slight Chance
    Snow Showers

  • Tonight

    Tonight: A chance of snow showers, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 15. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 22. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9. South southwest wind 3 to 6 mph.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow showers after 2pm. Cloudy, with a high near 30. Southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
A chance of snow showers, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 15. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 22. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 9. South southwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 26. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 28.
Monday Night
A chance of snow. Mostly cloudy, with a low around 17.
Tuesday
Snow likely. Mostly cloudy, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MI
 42.91°N 82.47°W (Elev. 587 ft)
Last Update:
4:13 am EST Dec 3, 2025
Forecast Valid:
8am EST Dec 3, 2025-6pm EST Dec 9, 2025
 
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