National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

34°F

1°C

Humidity 76%
Wind Speed Calm
Barometer 29.96 in (1014.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 6 Dec 6:53 pm EST
Extended Forecast for

3 Miles NW Lewisburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Light west wind.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.

    High: 38 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. Calm wind becoming north 5 to 7 mph after midnight.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28. North wind 6 to 9 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 7. Calm wind.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 24.

    Low: 24 °F

    Cloudy

  • Wednesday

    Wednesday: Rain and snow likely, becoming all rain after 1pm. Cloudy, with a high near 41. Chance of precipitation is 60%.

    High: 41 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. Light west wind.
Sunday
Mostly cloudy, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 19. Calm wind becoming north 5 to 7 mph after midnight.
Monday
Mostly sunny, with a high near 28. North wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 7. Calm wind.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
Cloudy, with a low around 24.
Wednesday
Rain and snow likely, becoming all rain after 1pm. Cloudy, with a high near 41. Chance of precipitation is 60%.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Thursday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Friday
A chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Lewisburg PA
 40.99°N 76.92°W (Elev. 528 ft)
Last Update:
7:21 pm EST Dec 6, 2025
Forecast Valid:
7pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation