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.

Light Rain

63°F

17°C

Humidity 94%
Wind Speed S 12 mph
Barometer 29.76 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Nov 2:35 pm EST
Extended Forecast for

Port Huron MI

  • This Afternoon

    This Afternoon: Rain. Steady temperature around 63. South wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 52. Southwest wind 7 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 59. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 59 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 42. West southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 52. West northwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance Rain
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

This Afternoon
Rain. Steady temperature around 63. South wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 52. Southwest wind 7 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, with a high near 59. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 42. West southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 52. West northwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Saturday
A chance of rain before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 59.
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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:
1:24 pm EST Nov 4, 2026
Forecast Valid:
2pm EST Nov 4, 2026-6pm EST Nov 10, 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