National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 30 Jul 7:35 am EDT
Extended Forecast for

Marysville MI

  • Today

    Today: Partly sunny, with a high near 80. North northeast wind 5 to 11 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 2am. Cloudy, with a low around 63. North wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 63 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 74. Northeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 74 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. Northeast wind 6 to 11 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 74. North northeast wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 80. North northeast wind 5 to 11 mph.
Tonight
Showers likely, mainly after 2am. Cloudy, with a low around 63. North wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 74. Northeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Partly cloudy, with a low around 60. Northeast wind 6 to 11 mph.
Friday
Sunny, with a high near 74. North northeast wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
A chance of showers. Partly sunny, with a high near 80.
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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:
5:13 am EDT Jul 30, 2025
Forecast Valid:
7am EDT Jul 30, 2025-6pm EDT Aug 5, 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