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

63°F

17°C

Humidity 83%
Wind Speed N 6 mph
Barometer 29.90 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 13 Oct 10:56 pm EDT
Extended Forecast for

2 Miles NNW Port Huron MI

  • Tonight

    Tonight: A chance of rain, mainly between 3am and 5am. Mostly cloudy, with a low around 56. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. North wind 5 to 10 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 48. North wind around 8 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of rain after 2pm. Mostly cloudy, with a high near 63. East southeast wind around 7 mph. Chance of precipitation is 40%.

    High: 63 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 8pm. Low around 48. East southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Friday

    Friday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 59. Breezy. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely
    and Breezy

  • Friday Night

    Friday Night: Rain likely before 8pm. Partly cloudy, with a low around 36. Windy. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely
    and Windy
    then Partly
    Cloudy and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain, mainly between 3am and 5am. Mostly cloudy, with a low around 56. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 64. North wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 48. North wind around 8 mph.
Thursday
A chance of rain after 2pm. Mostly cloudy, with a high near 63. East southeast wind around 7 mph. Chance of precipitation is 40%.
Thursday Night
Rain, mainly after 8pm. Low around 48. East southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 59. Breezy. Chance of precipitation is 70%.
Friday Night
Rain likely before 8pm. Partly cloudy, with a low around 36. Windy. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Port Huron MI
 42.99°N 82.46°W (Elev. 600 ft)
Last Update:
4:24 pm EDT Oct 13, 2026
Forecast Valid:
11pm EDT Oct 13, 2026-6pm EDT Oct 20, 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