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.

Overcast

72°F

22°C

Humidity 78%
Wind Speed N 8 G 23 mph
Barometer 30.04 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Aug 2:55 pm EDT
Extended Forecast for

Port Huron MI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 73. North wind around 14 mph, with gusts as high as 23 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Northeast wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 75. North northeast wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. North wind 5 to 9 mph becoming calm after midnight.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 73. North wind around 14 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 62. Northeast wind 6 to 13 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 75. North northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 60. North wind 5 to 9 mph becoming calm after midnight.
Friday
Sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 55.
Monday
A chance of showers. Mostly sunny, with a high near 69.
Monday Night
A chance of showers. Partly cloudy, with a low around 52.
Tuesday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.99°N 82.43°W (Elev. 600 ft)
Last Update:
2:49 pm EDT Aug 20, 2025
Forecast Valid:
3pm EDT Aug 20, 2025-6pm EDT Aug 26, 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