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

23°F

-5°C

Humidity 74%
Wind Speed Calm
Barometer 30.49 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 8 Apr 4:55 am EDT
Extended Forecast for

3 Miles W Marysville MI

  • Today

    Today: Sunny, with a high near 51. Light southeast wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. South wind around 10 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of rain before 2pm. Partly sunny, with a high near 66. South southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely after 2am. Increasing clouds, with a low around 38. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain, mainly before 2pm. High near 48. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 8pm. Partly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Rain
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain before 2pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 51. Light southeast wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 41. South wind around 10 mph, with gusts as high as 24 mph.
Thursday
A chance of rain before 2pm. Partly sunny, with a high near 66. South southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Thursday Night
Rain likely after 2am. Increasing clouds, with a low around 38. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 2pm. High near 48. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
A chance of rain before 8pm. Partly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
A chance of rain before 2pm. Mostly cloudy, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
A chance of rain. Mostly cloudy, with a high near 74.
Monday Night
A chance of rain. Mostly cloudy, with a low around 55.
Tuesday
Rain likely. Mostly cloudy, with a high near 69.
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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:
4:24 am EDT Apr 8, 2026
Forecast Valid:
5am EDT Apr 8, 2026-6pm EDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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