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

48°F

9°C

Humidity 50%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 4 Nov 8:55 pm EST
Extended Forecast for

4 Miles NW Saint Clair MI

  • Tonight

    Tonight: Cloudy, with a low around 43. Light south southwest wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 18 mph.

    Low: 43 °F

    Cloudy

  • Wednesday

    Wednesday: Rain likely. Cloudy, with a high near 60. Breezy, with a south southwest wind 11 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. West northwest wind 7 to 15 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 50. West northwest wind around 7 mph becoming southwest in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 37. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. High near 55. Chance of precipitation is 90%.

    High: 55 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain Likely

Detailed Forecast

Tonight
Cloudy, with a low around 43. Light south southwest wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 18 mph.
Wednesday
Rain likely. Cloudy, with a high near 60. Breezy, with a south southwest wind 11 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 32. West northwest wind 7 to 15 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 50. West northwest wind around 7 mph becoming southwest in the afternoon.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 37. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday
Rain. High near 55. Chance of precipitation is 90%.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 32.
Sunday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 43.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Monday
A chance of snow. Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 24.
Veterans Day
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Saint Clair MI
 42.87°N 82.53°W (Elev. 627 ft)
Last Update:
8:24 pm EST Nov 4, 2025
Forecast Valid:
9pm EST Nov 4, 2025-6pm EST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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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