Current conditions at

St Clair County International Airport (KPHN)

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

Fair

77°F

25°C

Humidity 83%
Wind Speed S 3 mph
Barometer 29.90 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Jul 9:35 pm EDT
Detailed forecast for

St. Clair County

Tonight
Mostly cloudy with a chance of showers and thunderstorms until early morning, then partly cloudy early in the morning. Lows in the upper 60s. Southwest winds up to 10 mph. Chance of rain 30 percent.
Sunday
Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s. West winds 5 to 10 mph.
Sunday Night
Partly cloudy in the evening then clearing. Lows in the lower 60s. West winds up to 5 mph.
Monday
Sunny. Highs in the mid 80s. West winds up to 5 mph.
Monday Night
Mostly clear. Lows in the mid 60s. Southwest winds up to 5 mph.
Tuesday
Partly cloudy in the morning, then becoming mostly sunny. Highs in the upper 80s.
Tuesday Night
Partly cloudy. Lows in the upper 60s.
Wednesday
Partly cloudy with a chance of showers in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
Wednesday Night
Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
Thursday
Mostly cloudy. A chance of showers in the morning, then showers likely and a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent.
Thursday Night
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 30 percent.
Friday
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s.
Friday Night
Partly cloudy. Lows in the lower 60s.
Saturday
Partly cloudy. Highs around 80.



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321 PM EDT Sat Jul 12 2025
 
 

Additional Resources

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