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

27°F

-3°C

Humidity 50%
Wind Speed SE 5 mph
Barometer 30.43 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 2 Mar 6:35 pm EST
Extended Forecast for

Port Huron MI

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Light southeast wind.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after 1pm. Partly sunny, with a high near 40. Light east wind. Chance of precipitation is 20%.

    High: 40 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. Light and variable wind.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 40%.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Cloudy, with a high near 48. Chance of precipitation is 70%.

    High: 48 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely before 1am. Cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Friday

    Friday: A chance of rain after 1pm. Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. Light southeast wind.
Tuesday
A slight chance of rain after 1pm. Partly sunny, with a high near 40. Light east wind. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 27. Calm wind.
Wednesday
Mostly sunny, with a high near 46. Light and variable wind.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 40%.
Thursday
Rain likely, mainly after 1pm. Cloudy, with a high near 48. Chance of precipitation is 70%.
Thursday Night
Rain likely before 1am. Cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
A chance of rain after 1pm. Mostly cloudy, with a high near 53.
Friday Night
Rain likely. Mostly cloudy, with a low around 47.
Saturday
Rain likely. Mostly cloudy, with a high near 63.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 59.
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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:
3:49 pm EST Mar 2, 2026
Forecast Valid:
6pm EST Mar 2, 2026-6pm EDT Mar 9, 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