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

  • Overnight

    Overnight: Mostly clear, with a low around 38. Northwest wind around 5 mph becoming calm.

    Low: 38 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A chance of rain after 3pm. Mostly cloudy, with a high near 53. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 5am. Low around 42. North northeast wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain

  • Thursday

    Thursday: Rain, mainly before 4pm. High near 45. Breezy, with a north northeast wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain after 7pm, mixing with snow after 1am. 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 then
    Rain/Snow

  • Friday

    Friday: Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. High near 38. Chance of precipitation is 90%.

    High: 38 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain likely before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain after 7am. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Rain

  • Saturday Night

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

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Northwest wind around 5 mph becoming calm.
Veterans Day
A chance of rain after 3pm. Mostly cloudy, with a high near 53. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Rain, mainly before 5am. Low around 42. North northeast wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, mainly before 4pm. High near 45. Breezy, with a north northeast wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain after 7pm, mixing with snow after 1am. 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. Chance of precipitation is 90%.
Friday Night
Rain likely before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 32. Chance of precipitation is 70%.
Saturday
A chance of rain after 7am. Partly sunny, with a high near 43.
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:
1:24 am EST Nov 11, 2026
Forecast Valid:
1am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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