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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Marysville MI

  • Overnight

    Overnight: A chance of rain. Cloudy, with a steady temperature around 63. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 2pm. Mostly cloudy, with a temperature falling to around 54 by 5pm. West wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F⇓

    Chance Rain
    then Rain
    Likely

  • Friday Night

    Friday Night: A chance of rain before 2am. Mostly cloudy, with a low around 37. Breezy, with a north northwest wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.

    Low: 37 °F

    Chance Rain
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 53. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36. Southwest wind around 5 mph.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of rain. Cloudy, with a steady temperature around 63. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Rain likely, mainly after 2pm. Mostly cloudy, with a temperature falling to around 54 by 5pm. West wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 37. Breezy, with a north northwest wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.
Saturday
Sunny, with a high near 53. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Clear, with a low around 36. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 68.
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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:
4:24 am EDT Oct 16, 2026
Forecast Valid:
4am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
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