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.

Overcast

48°F

9°C

Humidity 58%
Wind Speed S 14 mph
Barometer 29.72 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 28 Feb 12:35 am EST
Extended Forecast for

Port Huron MI

  • Overnight

    Overnight: A slight chance of rain before 1am. Mostly cloudy, with a low around 30. South southwest wind 9 to 11 mph becoming west northwest. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Increasing clouds, with a temperature falling to around 29 by 5pm. North northeast wind around 7 mph.

    High: 34 °F⇓

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Snow likely between 7pm and 1am. Mostly cloudy, with a low around 19. North wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Likely

  • Sunday

    Sunday: Partly sunny, with a high near 23. North wind around 9 mph.

    High: 23 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11. North wind around 6 mph becoming calm in the evening.

    Low: 11 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 29.

    High: 29 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 20.

    Low: 20 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of rain and snow. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Rain

Detailed Forecast

Overnight
A slight chance of rain before 1am. Mostly cloudy, with a low around 30. South southwest wind 9 to 11 mph becoming west northwest. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Saturday
Increasing clouds, with a temperature falling to around 29 by 5pm. North northeast wind around 7 mph.
Saturday Night
Snow likely between 7pm and 1am. Mostly cloudy, with a low around 19. North wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday
Partly sunny, with a high near 23. North wind around 9 mph.
Sunday Night
Partly cloudy, with a low around 11. North wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, then gradually becoming sunny, with a high near 29.
Monday Night
Increasing clouds, with a low around 20.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 38.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 31.
Thursday
Rain likely. Cloudy, with a high near 46.
Thursday Night
A chance of rain. Cloudy, with a low around 36.
Friday
A chance of rain. Cloudy, with a high near 49.
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:
3:36 pm EST Feb 27, 2026
Forecast Valid:
12am EST Feb 28, 2026-6pm EST Mar 6, 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