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

36°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 30.41 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 9 Oct 11:36 pm EDT
Extended Forecast for

Port Huron MI

Frost Advisory October 10, 12:00am until October 10, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 40. East southeast wind around 5 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 64. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 9pm. Increasing clouds, with a low around 48. South southwest wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 63. Southwest wind 5 to 8 mph becoming east southeast in the afternoon. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Partly cloudy, with a low around 48. East wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. East southeast wind around 5 mph.
Friday
Mostly sunny, with a high near 64. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Friday Night
A chance of showers after 9pm. Increasing clouds, with a low around 48. South southwest wind 6 to 8 mph. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 63. Southwest wind 5 to 8 mph becoming east southeast in the afternoon. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 48. East wind 3 to 6 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 49.
Columbus Day
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 57.
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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:
9:50 pm EDT Oct 9, 2025
Forecast Valid:
11pm EDT Oct 9, 2025-6pm EDT Oct 16, 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