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.

Overcast

64°F

18°C

Humidity 83%
Wind Speed N 3 mph
Barometer 29.86 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 20 Jun 4:15 pm EDT
Extended Forecast for

Port Huron MI

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73. Northwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 53. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 74. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 74 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Cloudy, with a low around 57. East wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Cloudy then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am. Mostly cloudy, with a high near 70. North northeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73. Northwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 53. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Increasing clouds, with a high near 74. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
A chance of showers after 2am. Cloudy, with a low around 57. East wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
A chance of showers before 8am. Mostly cloudy, with a high near 70. North northeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Thursday
Showers likely. Partly sunny, with a high near 76.
Thursday Night
Showers likely. Partly cloudy, with a low around 56.
Friday
A chance of showers. Mostly sunny, with a high near 76.
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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:
4:25 pm EDT Jun 20, 2026
Forecast Valid:
4pm EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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