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.

Fair

68°F

20°C

Humidity 73%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 8 Sep 9:15 am EDT
Extended Forecast for

Port Huron MI

  • Today

    Today: Partly sunny, with a high near 81. South wind 3 to 6 mph.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. South southeast wind 6 to 8 mph.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 83. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm. Cloudy during the early evening, then becoming partly cloudy, with a low around 64. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 75. Northwest wind 5 to 9 mph.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 81. South wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 68. South southeast wind 6 to 8 mph.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 83. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely before 8pm. Cloudy during the early evening, then becoming partly cloudy, with a low around 64. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 75. Northwest wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 63.
Sunday
A chance of showers. Mostly sunny, with a high near 78.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 61.
Monday
A chance of showers. Partly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
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 am EDT Sep 8, 2026
Forecast Valid:
9am EDT Sep 8, 2026-6pm EDT Sep 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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