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.

Fog/Mist

43°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Last update 14 Oct 7:15 am EDT
Extended Forecast for

2 Miles NNW Saint Clair MI

  • Today

    Today: Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 67. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 67 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 2am. Increasing clouds, with a low around 48. North wind around 7 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 60. North wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. North wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62. Light north northeast wind.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 67. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Tonight
A chance of showers, mainly after 2am. Increasing clouds, with a low around 48. North wind around 7 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 60. North wind 6 to 9 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 37. North wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 62. Light north northeast wind.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly cloudy, with a high near 65.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 51.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 73.
Saturday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 51.
Sunday
Showers likely. Mostly cloudy, with a high near 62.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41.
Monday
A chance of showers. Mostly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Saint Clair MI
 42.84°N 82.5°W (Elev. 630 ft)
Last Update:
5:13 am EDT Oct 14, 2025
Forecast Valid:
7am EDT Oct 14, 2025-6pm EDT Oct 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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