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

45°F

7°C

Humidity 66%
Wind Speed SW 6 mph
Barometer 30.03 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 3 Nov 4:35 am EST
Extended Forecast for

Marysville MI

  • Overnight

    Overnight: A slight chance of rain. Mostly cloudy, with a low around 40. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 56. West southwest wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. West wind 7 to 13 mph, with gusts as high as 28 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. West wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. South wind 5 to 7 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.

    High: 60 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A slight chance of rain. Mostly cloudy, with a low around 40. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
A chance of rain, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 56. West southwest wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 35. West wind 7 to 13 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 57. West wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 44. South wind 5 to 7 mph.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 38.
Friday
Rain. Cloudy, with a high near 58.
Friday Night
A chance of rain. Mostly cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 46.
Saturday Night
Rain likely. Mostly cloudy, with a low around 32.
Sunday
A chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marysville MI
 42.91°N 82.5°W (Elev. 627 ft)
Last Update:
4:14 am EST Nov 3, 2025
Forecast Valid:
4am EST Nov 3, 2025-6pm EST Nov 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