Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Overcast

59°F

15°C

Humidity 63%
Wind Speed N 3 mph
Barometer 30.20 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Sep 1:55 am EDT
Extended Forecast for

3 Miles N Port Huron MI

  • Overnight

    Overnight: A slight chance of rain.  Cloudy, with a steady temperature around 58. East wind around 6 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain before 8am, then showers likely, mainly between 8am and 2pm.  Mostly cloudy, with a high near 67. East southeast wind 6 to 9 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely before 5am. The rain could be heavy at times.  Cloudy, with a low around 56. East southeast wind 5 to 7 mph.  Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    Low: 56 °F

    Heavy Rain

  • Sunday

    Sunday: A chance of showers between 7am and 2pm.  Mostly cloudy, with a high near 65. North northeast wind 8 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. Northeast wind 9 to 14 mph, with gusts as high as 28 mph.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 8pm.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of rain. Cloudy, with a steady temperature around 58. East wind around 6 mph. Chance of precipitation is 20%.
Saturday
A chance of rain before 8am, then showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 67. East southeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers likely before 5am. The rain could be heavy at times. Cloudy, with a low around 56. East southeast wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Sunday
A chance of showers between 7am and 2pm. Mostly cloudy, with a high near 65. North northeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 53. Northeast wind 9 to 14 mph, with gusts as high as 28 mph.
Monday
Mostly cloudy, with a high near 63.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 52.
Wednesday
A chance of showers. Partly sunny, with a high near 63.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Port Huron MI
 43.01°N 82.42°W (Elev. 577 ft)
9:49 pm EDT Sep 18, 2026
2am EDT Sep 19, 2026-6pm EDT Sep 25, 2026
 
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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