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

51°F

11°C

Humidity 92%
Wind Speed N 7 mph
Barometer 29.43 in (996.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 12 Nov 1:53 pm EST
Extended Forecast for

Lewisburg PA

  • This Afternoon

    This Afternoon: Rain likely. Cloudy, with a high near 51. North wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely

  • Tonight

    Tonight: Rain before 5am, then rain likely, possibly mixed with snow. Low around 35. North wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain and snow likely, becoming all rain after 10am. Cloudy, with a high near 42. North wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain before 9pm, then a slight chance of snow between 9pm and 11pm. Mostly cloudy, with a low around 31. Northwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a high near 51. North wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 5am, then rain likely, possibly mixed with snow. Low around 35. North wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain and snow likely, becoming all rain after 10am. Cloudy, with a high near 42. North wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 9pm, then a slight chance of snow between 9pm and 11pm. Mostly cloudy, with a low around 31. Northwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewisburg PA
 40.96°N 76.89°W (Elev. 499 ft)
Last Update:
2:16 pm EST Nov 12, 2026
Forecast Valid:
2pm EST Nov 12, 2026-6pm EST Nov 18, 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