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.

Partly Cloudy

18°F

-8°C

Humidity 62%
Wind Speed NW 7 mph
Barometer 30.29 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 8 Dec 12:55 am EST
Extended Forecast for

Port Huron MI

  • Overnight

    Overnight: A chance of snow showers. Mostly cloudy, with a low around 16. North northeast wind 5 to 8 mph. Chance of precipitation is 50%.

    Low: 16 °F

    Chance Snow
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 26. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 16. South southeast wind 3 to 8 mph.

    Low: 16 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Snow, mainly before 1pm. High near 34. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    High: 34 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow likely before 1am, then rain and snow between 1am and 4am, then rain after 4am. Low around 29. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Snow Likely
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain before 1pm, then rain and snow likely. High near 39. Chance of precipitation is 90%.

    High: 39 °F

    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.

    Low: 18 °F

    Chance Snow

  • Thursday

    Thursday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Overnight
A chance of snow showers. Mostly cloudy, with a low around 16. North northeast wind 5 to 8 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 26. Light and variable wind becoming southeast around 6 mph in the morning.
Monday Night
Increasing clouds, with a low around 16. South southeast wind 3 to 8 mph.
Tuesday
Snow, mainly before 1pm. High near 34. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Tuesday Night
Snow likely before 1am, then rain and snow between 1am and 4am, then rain after 4am. Low around 29. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday
Rain before 1pm, then rain and snow likely. High near 39. Chance of precipitation is 90%.
Wednesday Night
A chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 17.
Friday
A chance of snow. Partly sunny, with a high near 26.
Friday Night
A chance of snow. Mostly cloudy, with a low around 14.
Saturday
A chance of snow. Partly sunny, with a high near 22.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12.
Sunday
A chance of snow. Partly sunny, with a high near 22.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.97°N 82.43°W (Elev. 600 ft)
Last Update:
11:24 pm EST Dec 7, 2025
Forecast Valid:
1am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation