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

34°F

1°C

Humidity 75%
Wind Speed NW 15 G 26 mph
Barometer 29.80 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 11 Mar 9:55 pm EDT
Extended Forecast for

Port Huron MI

  • Tonight

    Tonight: Isolated snow showers before 11pm. Mostly cloudy, with a low around 28. Northwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Isolated Snow
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. West northwest wind around 11 mph, with gusts as high as 22 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Snow likely after 2am. Mostly cloudy, with a low around 28. Light and variable wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Partly Cloudy
    then Snow
    Likely

  • Friday

    Friday: Rain and snow likely before 11am, then a chance of rain between 11am and 2pm. Mostly cloudy, with a high near 43. Breezy, with a south southwest wind 21 to 24 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 34 mph.

    Low: 25 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 2am. Increasing clouds, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Rain and snow. Cloudy, with a high near 48.

    High: 48 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow likely before 8pm, then rain between 8pm and 2am, then rain and snow likely after 2am. Cloudy, with a low around 27. Breezy.

    Low: 27 °F

    Rain/Snow and
    Breezy

Detailed Forecast

Tonight
Isolated snow showers before 11pm. Mostly cloudy, with a low around 28. Northwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 38. West northwest wind around 11 mph, with gusts as high as 22 mph.
Thursday Night
Snow likely after 2am. Mostly cloudy, with a low around 28. Light and variable wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Rain and snow likely before 11am, then a chance of rain between 11am and 2pm. Mostly cloudy, with a high near 43. Breezy, with a south southwest wind 21 to 24 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a low around 25. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 34 mph.
Saturday
Partly sunny, with a high near 36.
Saturday Night
A chance of snow after 2am. Increasing clouds, with a low around 27. Chance of precipitation is 50%.
Sunday
Rain and snow. Cloudy, with a high near 48.
Sunday Night
Rain and snow likely before 8pm, then rain between 8pm and 2am, then rain and snow likely after 2am. Cloudy, with a low around 27. Breezy.
Monday
Rain and snow likely, mainly before 8am. Mostly cloudy, with a high near 32. Breezy.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 32.
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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:
9:49 pm EDT Mar 11, 2026
Forecast Valid:
10pm EDT Mar 11, 2026-6pm EDT Mar 18, 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