Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Partly Cloudy

75°F

24°C

Humidity 74%
Wind Speed SW 3 mph
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Jun 3:35 pm EDT
Extended Forecast for

4 Miles N Port Huron MI

Extreme Heat Watch June 22, 08:00am until June 24, 08:00pm
Heat Advisory June 21, 02:00pm until June 22, 08:00am
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms.  Mostly cloudy, with a steady temperature around 75. West wind around 7 mph.  Chance of precipitation is 50%.

    High: 75 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then showers likely between 4am and 5am, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 66. South wind around 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 11am.  Cloudy through mid morning, then gradual clearing, with a high near 87. South wind 8 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers
    Likely then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 75. West wind around 7 mph. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms before 4am, then showers likely between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 66. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 11am. Cloudy through mid morning, then gradual clearing, with a high near 87. South wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Mostly clear, with a low around 77. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 92. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 64.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Port Huron MI
 43.03°N 82.45°W (Elev. 597 ft)
3:24 pm EDT Jun 20, 2025
3pm EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database