National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

84°F

29°C

Humidity 40%
Wind Speed S 10 mph
Barometer 30.12 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 4 Oct 4:15 pm EDT
Extended Forecast for

Port Huron MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. South wind around 10 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind around 7 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. South wind 6 to 8 mph.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 59. Chance of precipitation is 90%.

    Low: 59 °F

    Showers
    Likely then
    Showers

  • Tuesday

    Tuesday: Showers, mainly before 2pm. High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 8pm. Partly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. South wind around 10 mph.
Tonight
Mostly clear, with a low around 59. South wind around 7 mph.
Sunday
Sunny, with a high near 83. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 59. South wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 82. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Monday Night
Showers and possibly a thunderstorm. Low around 59. Chance of precipitation is 90%.
Tuesday
Showers, mainly before 2pm. High near 65. Chance of precipitation is 80%.
Tuesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 66.
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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:
4:24 pm EDT Oct 4, 2025
Forecast Valid:
4pm EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
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