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

66°F

19°C

Humidity 83%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 Jul 6:15 am EDT
Extended Forecast for

3 Miles WNW Port Huron MI

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 82. West southwest wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 66. Southwest wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 2pm. Partly sunny, with a high near 76. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 82. West southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 40%.
Monday
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 40%.
Monday Night
Showers and possibly a thunderstorm. Low around 66. Southwest wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers before 2pm. Partly sunny, with a high near 76. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
A chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Port Huron MI
 42.99°N 82.49°W (Elev. 627 ft)
Last Update:
4:24 am EDT Jul 26, 2026
Forecast Valid:
6am EDT Jul 26, 2026-6pm EDT Aug 1, 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