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.

Fog/Mist

27°F

-3°C

Humidity 86%
Wind Speed W 3 mph
Barometer 30.03 in
Dewpoint 23°F (-5°C)
Visibility 5.00 mi
Last update 4 Dec 1:55 am EST
Extended Forecast for

Port Huron MI

  • Overnight

    Overnight: Isolated snow showers before 4am. Mostly cloudy, with a low around 17. West northwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Isolated Snow
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 22. West northwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10. South southwest wind 3 to 6 mph.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. South southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow before 1pm. Partly sunny, with a high near 29.

    High: 29 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Isolated snow showers before 4am. Mostly cloudy, with a low around 17. West northwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 22. West northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 10. South southwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 28. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 20. South southwest wind around 8 mph, with gusts as high as 18 mph.
Saturday
Mostly cloudy, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
A chance of snow before 1pm. Partly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 26.
Monday Night
A chance of snow. Mostly cloudy, with a low around 15.
Tuesday
Snow likely. Mostly cloudy, with a high near 32.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 36.
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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:
1:35 am EST Dec 4, 2025
Forecast Valid:
2am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
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