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

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 12 Jul 11:35 pm EDT
Extended Forecast for

Port Huron MI

  • Tonight

    Tonight: A chance of showers and thunderstorms between midnight and 2am. Mostly cloudy, with a low around 69. West southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 84. West wind 3 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. Calm wind becoming west around 5 mph after midnight.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 85. West southwest wind 3 to 6 mph.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Light south southwest wind.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms between midnight and 2am. Mostly cloudy, with a low around 69. West southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 84. West wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 63. Calm wind becoming west around 5 mph after midnight.
Monday
Sunny, with a high near 85. West southwest wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 67. Light south southwest wind.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66.
Friday
Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 79.
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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:
10:14 pm EDT Jul 12, 2025
Forecast Valid:
11pm EDT Jul 12, 2025-6pm EDT Jul 19, 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