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

54°F

12°C

Humidity 51%
Wind Speed S 14 mph
Barometer 29.82 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 27 Feb 4:35 pm EST
Extended Forecast for

Port Huron MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. South wind around 10 mph, with gusts as high as 21 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: A chance of sprinkles before 11pm, then a slight chance of rain between 11pm and 1am. Increasing clouds, with a low around 30. South wind 9 to 11 mph becoming west northwest after midnight. Winds could gust as high as 24 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.

    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

Detailed Forecast

This Afternoon
Sunny, with a high near 49. South wind around 10 mph, with gusts as high as 21 mph.
Tonight
A chance of sprinkles before 11pm, then a slight chance of rain between 11pm and 1am. Increasing clouds, with a low around 30. South wind 9 to 11 mph becoming west northwest after midnight. Winds could gust as high as 24 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.
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.
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Forecast Area
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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:
4pm EST Feb 27, 2026-6pm EST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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