Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91° N Lon: 82.53° W Elev: 636 ft.

Fair

72°F

22°C

Humidity 47%
Wind Speed N 9 mph
Barometer 30.06 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 27 Sep 12:35 pm EDT
Detailed forecast for

St. Clair County

Rest Of Today
Sunny. Highs around 70. North winds 10 to 15 mph with gusts up to 25 mph.
Tonight
Mostly clear. Patchy fog. Lows in the lower 50s. North winds up to 10 mph.
Monday
Patchy fog in the morning. Mostly sunny. Highs in the lower 70s. North winds 5 to 10 mph.
Monday Night
Mostly clear in the evening, then becoming partly cloudy. Areas of fog. Lows around 50. North winds up to 5 mph.
Tuesday
Areas of fog in the morning. Mostly sunny. Highs in the lower 70s. West winds up to 5 mph, becoming south in the afternoon.
Tuesday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s.
Wednesday
Mostly cloudy. Highs in the lower 70s.
Wednesday Night
Cloudy. Lows around 60.
Thursday
Cloudy with a 50 percent chance of showers. Highs in the lower 70s.
Thursday Night
Cloudy with a 50 percent chance of showers. Lows in the mid 50s.
Friday
Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of showers. Highs in the mid 60s.
Friday Night
Mostly cloudy. Lows in the upper 40s.
Saturday
Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 60s.



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1133 AM EDT Sun Sep 27 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database