Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

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

Fair

55°F

13°C

Humidity 90%
Wind Speed Calm
Barometer 30.19 in (1022.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 28 Aug 8:53 am EDT
Detailed forecast for

Northumberland County

Today
Mostly sunny. Highs in the mid 70s. Southwest winds around 5 mph.
Tonight
Mostly cloudy with a 20 percent chance of showers. Not as cool with lows in the mid 50s. Southwest winds around 5 mph.
Friday
Mostly sunny. Highs in the lower 70s. West winds 5 to 10 mph.
Friday Night
Mostly clear. Lows in the upper 40s. Northwest winds around 5 mph.
Saturday
Sunny. Highs in the lower 70s. Northwest winds around 5 mph.
Saturday Night
Mostly clear. Lows in the upper 40s.
Sunday
Sunny. Highs in the mid 70s.
Sunday Night
Mostly clear. Lows in the lower 50s.
Labor Day
Sunny. Highs in the upper 70s.
Monday Night
Mostly clear. Lows in the lower 50s.
Tuesday
Sunny. Highs in the upper 70s.
Tuesday Night
Mostly clear. Lows in the lower 50s.
Wednesday
Mostly sunny. Highs in the upper 70s.



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900 AM EDT Thu Aug 28 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database