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.

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: Partly cloudy, with a low around 37. Light west northwest wind.

    Low: 37 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: A slight chance of rain after 3pm. Mostly cloudy, with a high near 54. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 54 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely between 8pm and 5am. Cloudy, with a low around 41. North wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am. Cloudy, with a high near 45. North northeast wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely before 1am, then rain and snow between 1am and 4am, then snow after 4am. Low around 32. North northwest wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow

  • Friday

    Friday: Snow before 1pm, then rain and snow between 1pm and 4pm, then rain after 4pm. High near 38. Chance of precipitation is 90%.

    High: 38 °F

    Snow then
    Rain/Snow

  • Friday Night

    Friday Night: Rain likely before 10pm, then rain and snow likely between 10pm and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 44.

    High: 44 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Light west northwest wind.
Veterans Day
A slight chance of rain after 3pm. Mostly cloudy, with a high near 54. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Rain likely between 8pm and 5am. Cloudy, with a low around 41. North wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain likely, mainly before 10am. Cloudy, with a high near 45. North northeast wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely before 1am, then rain and snow between 1am and 4am, then snow after 4am. Low around 32. North northwest wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday
Snow before 1pm, then rain and snow between 1pm and 4pm, then rain after 4pm. High near 38. Chance of precipitation is 90%.
Friday Night
Rain likely before 10pm, then rain and snow likely between 10pm and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Saturday
A chance of rain. Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 48.
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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:
1:35 am EST Nov 11, 2026
Forecast Valid:
1am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation