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Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

39°F

4°C

Humidity 82%
Wind Speed Calm
Barometer 30.11 in (1019.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 8 Jan 3:53 am EST
Extended Forecast for

Lewisburg PA

  • Today

    Today: Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 33. Light southeast wind.

    Low: 33 °F

    Patchy Fog

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 50. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers, mainly before 1am. Cloudy, with a low around 41. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 46. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 46. Calm wind.
Tonight
Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 33. Light southeast wind.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 50. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers, mainly before 1am. Cloudy, with a low around 41. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers. High near 46. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewisburg PA
 40.96°N 76.87°W (Elev. 499 ft)
Last Update:
1:05 am EST Jan 8, 2026
Forecast Valid:
4am EST Jan 8, 2026-6pm EST Jan 14, 2026
 
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