Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

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

Overcast

60°F

16°C

Humidity 62%
Wind Speed NW 3 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 6 Nov 7:53 pm EST
Detailed forecast for

Northumberland County

Tonight
Mostly cloudy. Cooler with lows in the lower 40s. West winds 5 to 10 mph.
Saturday
Partly sunny. A slight chance of rain in the afternoon. Cooler with highs in the mid 50s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
Saturday Night
Mostly cloudy. Lows in the lower 40s. West winds 5 to 10 mph with gusts up to 25 mph.
Sunday
Partly sunny in the morning, then clearing. Highs around 60. West winds 5 to 10 mph with gusts up to 20 mph.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. West winds 5 to 10 mph with gusts up to 25 mph.
Monday
Mostly sunny. Highs in the upper 50s.
Monday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.
Tuesday
Mostly sunny. Highs in the mid 60s.
Tuesday Night
Mostly clear. Lows in the upper 30s.
Veterans Day
Partly sunny. Highs in the upper 50s.
Wednesday Night
Mostly cloudy. Lows in the lower 30s.
Thursday
Partly sunny. Highs in the lower 50s.
Thursday Night
Mostly cloudy. Lows around 30.
Friday
Partly sunny. Highs in the upper 40s.



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730 PM EST Fri Nov 6 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database