Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82° N Lon: 76.87° W Elev: 443 ft.

Fair

34°F

1°C

Humidity 97%
Wind Speed Calm
Barometer 30.56 in (1035.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 24 Oct 10:53 pm EDT
Detailed forecast for

Union County

Overnight
Clear. Areas of frost. Lows in the mid 30s. Light and variable winds.
Sunday
Areas of frost in the morning. Sunny. Highs in the lower 60s. Light and variable winds, becoming south around 5 mph in the afternoon.
Sunday Night
Clear in the evening, then becoming partly cloudy. Lows in the upper 30s. Light and variable winds, becoming west around 5 mph after midnight.
Monday
Patchy frost in the morning. Sunny. Highs in the upper 60s. West winds around 5 mph.
Monday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Northwest winds around 5 mph.
Tuesday
Sunny. Highs in the lower 60s.
Tuesday Night
Mostly clear in the evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s.
Wednesday
Areas of frost in the morning. Partly sunny. Highs around 60.
Wednesday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s.
Thursday
Mostly sunny. Highs in the upper 60s.
Thursday Night
Mostly clear. Lows in the mid 40s.
Friday
Sunny. Highs in the lower 70s.
Friday Night
Partly cloudy. Lows in the mid 40s.
Saturday
Mostly sunny. Highs in the upper 60s.



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1030 PM EDT Sat Oct 24 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database