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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Port Huron MI

  • Veterans Day

    Veterans Day: A slight chance of rain after 3pm. Cloudy, with a high near 53. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly after 1am. Cloudy, with a low around 42. North northeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: Rain likely before 4pm. Cloudy, with a high near 45. Breezy, with a north northeast wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain Likely
    and Breezy

  • Thursday Night

    Thursday Night: Rain likely before 1am, then rain and snow. Low around 33. North wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain Likely
    then
    Rain/Snow

  • Friday

    Friday: Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. High near 38. Northwest wind 6 to 10 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain before 1am, then a chance of rain and snow. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Rain then
    Rain/Snow

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 50%.

    High: 43 °F

    Chance Rain

  • Saturday Night

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

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Veterans Day
A slight chance of rain after 3pm. Cloudy, with a high near 53. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 20%.
Tonight
Rain likely, mainly after 1am. Cloudy, with a low around 42. North northeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain likely before 4pm. Cloudy, with a high near 45. Breezy, with a north northeast wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely before 1am, then rain and snow. Low around 33. North wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. High near 38. Northwest wind 6 to 10 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Rain before 1am, then a chance of rain and snow. Low around 32. Chance of precipitation is 80%.
Saturday
A chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.99°N 82.43°W (Elev. 600 ft)
Last Update:
9:49 am EST Nov 11, 2026
Forecast Valid:
12pm EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation