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

45°F

7°C

Humidity 76%
Wind Speed N 10 G 18 mph
Barometer 29.70 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 22 Mar 12:15 pm EDT
Extended Forecast for

Port Huron MI

  • This Afternoon

    This Afternoon: A chance of rain. Mostly cloudy, with a temperature falling to around 36 by 5pm. North wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 49 °F⇓

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Blustery, with a north wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Cloudy and
    Blustery then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36. North wind around 10 mph, with gusts as high as 18 mph.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24. North wind around 6 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

Detailed Forecast

This Afternoon
A chance of rain. Mostly cloudy, with a temperature falling to around 36 by 5pm. North wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 30. Blustery, with a north wind 10 to 18 mph, with gusts as high as 28 mph.
Monday
Partly sunny, with a high near 36. North wind around 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 24. North wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 46. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Mostly cloudy, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 44.
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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:
9:49 am EDT Mar 22, 2026
Forecast Valid:
12pm EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
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