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

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

55°F

13°C

Humidity 82%
Wind Speed NW 5 mph
Barometer 30.24 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 18 Sep 5:36 am EDT
Extended Forecast for

3 Miles N Port Huron MI

  • Today

    Today: Mostly sunny, with a high near 67. North northeast wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. North northeast wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly before 3pm. Cloudy, with a high near 67. East southeast wind 6 to 8 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: A chance of showers after 8pm. Cloudy, with a low around 54. East wind around 6 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 64. North northeast wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. North northeast wind 8 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 54. North northeast wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday
Showers likely, mainly before 3pm. Cloudy, with a high near 67. East southeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of showers after 8pm. Cloudy, with a low around 54. East wind around 6 mph. Chance of precipitation is 30%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 64. North northeast wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
Mostly cloudy, with a high near 62.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Partly sunny, with a high near 61.
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 52.
Thursday
Mostly cloudy, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Port Huron MI
 43.01°N 82.42°W (Elev. 577 ft)
Last Update:
4:24 am EDT Sep 18, 2026
Forecast Valid:
5am EDT Sep 18, 2026-6pm EDT Sep 24, 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