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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ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.97°N 82.43°W (Elev. 600 ft)
3:49 pm EST Mar 2, 2026
6pm EST Mar 2, 2026-6pm EDT Mar 9, 2026
 
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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