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 86%
Wind Speed SW 3 mph
Barometer 29.97 in
Dewpoint 21°F (-6°C)
Visibility 7.00 mi
Last update 3 Dec 1:15 am EST
Extended Forecast for

Marysville MI

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 27. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after 4pm. Cloudy, with a high near 32. Southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 32 °F

    Cloudy then
    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 16. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 23. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 23 °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.

    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 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 27. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday
Snow likely, mainly after 4pm. Cloudy, with a high near 32. Southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Snow likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 16. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 23. 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.
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 18.
Sunday
Mostly cloudy, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 27.
Monday Night
A chance of snow. Mostly cloudy, with a low around 14.
Tuesday
A chance of snow. Mostly cloudy, with a high near 30.
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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:
1:13 am EST Dec 3, 2025
Forecast Valid:
1am 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