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

48°F

9°C

Humidity 54%
Wind Speed S 13 G 16 mph
Barometer 29.93 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 16 Feb 2:35 pm EST
Extended Forecast for

Port Huron MI

  • Washington's Birthday

    Washington's Birthday: A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 44. South wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain between 7pm and 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 32. South southwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 43. Light and variable wind becoming east northeast around 5 mph in the afternoon.

    High: 43 °F

    Areas Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely after 1am. Patchy fog between 8pm and midnight. Otherwise, cloudy, with a low around 34. East southeast wind 6 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Patchy Fog
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain, mainly before 3pm. High near 48. Southeast wind 9 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain Likely

Detailed Forecast

Washington's Birthday
A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 44. South wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight
A slight chance of rain between 7pm and 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 32. South southwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 43. Light and variable wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
Rain likely after 1am. Patchy fog between 8pm and midnight. Otherwise, cloudy, with a low around 34. East southeast wind 6 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly before 3pm. High near 48. Southeast wind 9 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 34.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 43.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Mostly cloudy, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of snow. 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:
1:35 pm EST Feb 16, 2026
Forecast Valid:
2pm EST Feb 16, 2026-6pm EST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation