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

21°F

-6°C

Humidity 86%
Wind Speed SW 3 mph
Barometer 29.97 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 2 Dec 9:55 pm EST
Extended Forecast for

Port Huron MI

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 29. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after 4pm. Cloudy, with a high near 32. South southwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 32 °F

    Cloudy then
    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 16. West northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 22. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10. South southwest wind 5 to 7 mph.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow after 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 29. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
Snow likely, mainly after 4pm. Cloudy, with a high near 32. South southwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Snow likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 16. West northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 22. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 10. South southwest wind 5 to 7 mph.
Friday
Partly sunny, with a high near 26.
Friday Night
A chance of snow after 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Mostly cloudy, with a high near 28.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 26.
Monday Night
A chance of snow. Mostly cloudy, with a low around 16.
Tuesday
A chance of snow. Mostly cloudy, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.99°N 82.43°W (Elev. 600 ft)
Last Update:
9:13 pm EST Dec 2, 2025
Forecast Valid:
10pm EST Dec 2, 2025-6pm EST Dec 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation