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

28°F

-2°C

Humidity 47%
Wind Speed E 10 mph
Barometer 30.55 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 2 Mar 11:55 am EST
Extended Forecast for

Port Huron MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 33. South southeast wind around 7 mph.

    High: 33 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 21. Light south southeast wind.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of freezing rain before 10am, then a chance of rain. Mostly cloudy, with a high near 40. Calm wind becoming east southeast around 5 mph. Chance of precipitation is 50%.

    High: 40 °F

    Chance
    Rain/Freezing
    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 1pm. Partly sunny, with a high near 44. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: Rain. High near 47. Chance of precipitation is 80%.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am. Cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A chance of rain after 1pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 33. South southeast wind around 7 mph.
Tonight
Mostly clear, with a low around 21. Light south southeast wind.
Tuesday
A chance of freezing rain before 10am, then a chance of rain. Mostly cloudy, with a high near 40. Calm wind becoming east southeast around 5 mph. Chance of precipitation is 50%.
Tuesday Night
Mostly cloudy, with a low around 30. Calm wind.
Wednesday
A chance of rain after 1pm. Partly sunny, with a high near 44. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Thursday
Rain. High near 47. Chance of precipitation is 80%.
Thursday Night
A chance of rain before 1am. Cloudy, with a low around 37.
Friday
A chance of rain after 1pm. Mostly cloudy, with a high near 55.
Friday Night
Rain likely. Mostly cloudy, with a low around 48.
Saturday
Rain likely. Mostly cloudy, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, 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:
3:35 am EST Mar 2, 2026
Forecast Valid:
12pm EST Mar 2, 2026-6pm EDT Mar 8, 2026
 
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