National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

54°F

12°C

Humidity 35%
Wind Speed W 7 mph
Barometer 29.89 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 7 May 10:16 am EDT
Extended Forecast for

Port Huron MI

  • Today

    Today: A slight chance of showers between 4pm and 5pm. Increasing clouds, with a high near 54. West northwest wind 5 to 9 mph. Chance of precipitation is 10%.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 39 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Increasing clouds, with a high near 60. West wind 3 to 8 mph.

    High: 60 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Light south wind.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely after 2pm. Mostly sunny, with a high near 67. Southwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between 4pm and 5pm. Increasing clouds, with a high near 54. West northwest wind 5 to 9 mph. Chance of precipitation is 10%.
Tonight
A slight chance of showers after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Increasing clouds, with a high near 60. West wind 3 to 8 mph.
Friday Night
Mostly cloudy, with a low around 42. Light south wind.
Saturday
Showers likely after 2pm. Mostly sunny, with a high near 67. Southwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A chance of showers. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.97°N 82.43°W (Elev. 600 ft)
Last Update:
9:49 am EDT May 7, 2026
Forecast Valid:
10am EDT May 7, 2026-6pm EDT May 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation