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

59°F

15°C

Humidity 77%
Wind Speed N 7 mph
Barometer 30.08 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 Jun 2:55 am EDT
Extended Forecast for

Marysville MI

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. North northeast wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 72. Northeast wind 3 to 8 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. North northeast wind 6 to 8 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 73. East wind 7 to 9 mph.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 57. East wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. North northeast wind around 5 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 72. Northeast wind 3 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 55. North northeast wind 6 to 8 mph.
Friday
Partly sunny, with a high near 73. East wind 7 to 9 mph.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 57. East wind 3 to 6 mph. Chance of precipitation is 40%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
A chance of showers. Partly sunny, with a high near 83.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 65.
Wednesday
A chance of showers. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marysville MI
 42.91°N 82.47°W (Elev. 587 ft)
Last Update:
2:13 am EDT Jun 12, 2025
Forecast Valid:
3am EDT Jun 12, 2025-6pm EDT Jun 18, 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