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.

Mostly Cloudy

50°F

10°C

Humidity 94%
Wind Speed SW 6 mph
Barometer 29.81 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 5 Nov 9:35 pm EST
Extended Forecast for

2 Miles NNW Port Huron MI

  • Tonight

    Tonight: Rain likely, mainly between midnight and 5am. Cloudy, with a low around 39. West northwest wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: A chance of rain before 8am, then a chance of rain after 1pm. Cloudy, with a high near 49. West wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    High: 49 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain. Low around 37. West northwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain

  • Saturday

    Saturday: Rain likely, mainly before 7am. Mostly cloudy, with a high near 50. Northwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. West wind around 7 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly between midnight and 5am. Cloudy, with a low around 39. West northwest wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain before 8am, then a chance of rain after 1pm. Cloudy, with a high near 49. West wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Friday Night
Rain. Low around 37. West northwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 7am. Mostly cloudy, with a high near 50. Northwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 32. West wind around 7 mph.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 35.
Veterans Day
Partly sunny, with a high near 54.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Port Huron MI
 42.99°N 82.43°W (Elev. 600 ft)
Last Update:
3:49 pm EST Nov 5, 2026
Forecast Valid:
9pm EST Nov 5, 2026-6pm EST Nov 12, 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