National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

36°F

2°C

Humidity 60%
Wind Speed NE 13 G 21 mph
Barometer 30.13 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 28 Feb 12:15 pm EST
Extended Forecast for

Port Huron MI

  • This Afternoon

    This Afternoon: Mostly sunny, with a temperature falling to around 29 by 5pm. North wind around 7 mph.

    High: 34 °F⇓

    Mostly Sunny

  • Tonight

    Tonight: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18. Northeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 18 °F

    Snow Likely

  • Sunday

    Sunday: A chance of snow before 1pm. Partly sunny, with a high near 23. North wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 23 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 10. North wind around 6 mph becoming calm in the evening.

    Low: 10 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. Calm wind becoming south 5 to 7 mph in the morning.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 19.

    Low: 19 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.

    High: 37 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a temperature falling to around 29 by 5pm. North wind around 7 mph.
Tonight
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18. Northeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday
A chance of snow before 1pm. Partly sunny, with a high near 23. North wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 10. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 29. Calm wind becoming south 5 to 7 mph in the morning.
Monday Night
Increasing clouds, with a low around 19.
Tuesday
Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.
Tuesday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 33.
Thursday
Rain likely. Mostly cloudy, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.97°N 82.43°W (Elev. 600 ft)
Last Update:
3:25 am EST Feb 28, 2026
Forecast Valid:
12pm EST Feb 28, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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