Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

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

Fair

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 30.10 in (1019.0 mb)
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 13 Jun 5:53 am EDT
Detailed forecast for

Northumberland County

Today
Mostly cloudy. Patchy fog this morning. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 70s. East winds around 5 mph. Chance of rain 40 percent.
Tonight
Showers likely with a slight chance of thunderstorms. Lows in the lower 60s. East winds around 5 mph. Chance of rain 70 percent.
Saturday
Showers likely. Highs in the lower 70s. Northeast winds around 5 mph. Chance of rain 70 percent.
Saturday Night
Showers likely. Lows around 60. East winds around 5 mph. Chance of rain 70 percent.
Sunday
Showers likely. Highs around 70. Southeast winds around 5 mph. Chance of rain 60 percent.
Sunday Night
Cloudy. Showers likely, mainly in the evening. Lows in the lower 60s. Chance of rain 60 percent.
Monday
Showers likely. Highs in the lower 70s. Chance of rain 60 percent.
Monday Night
Mostly cloudy. Showers likely, mainly in the evening. Lows in the lower 60s. Chance of rain 60 percent.
Tuesday
Mostly cloudy in the morning, then partly sunny with a chance of showers in the afternoon. Humid with highs around 80. Chance of rain 40 percent.
Tuesday Night
Mostly cloudy with a chance of showers. Humid with lows in the mid 60s. Chance of rain 40 percent.
Wednesday
Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely in the afternoon. Humid. Very warm with highs in the mid 80s. Chance of rain 60 percent.
Wednesday Night
Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Humid with lows in the upper 60s. Chance of rain 60 percent.
Juneteenth
Partly sunny. A chance of showers in the afternoon. Humid. Very warm with highs in the mid 80s. Chance of rain 50 percent.



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600 AM EDT Fri Jun 13 2025
 
 

Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database