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.

Fair

45°F

7°C

Humidity 56%
Wind Speed NW 10 G 18 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 6 Nov 3:53 am EST
Extended Forecast for

Herndon PA

  • Today

    Today: Mostly sunny, with a high near 54. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 1pm. Mostly cloudy, with a high near 60. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 30%.

    High: 60 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 47. South wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 65. West wind 3 to 7 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 54. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 32. Calm wind.
Friday
A chance of showers after 1pm. Mostly cloudy, with a high near 60. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 47. South wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 65. West wind 3 to 7 mph.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 26.
Veterans Day
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Herndon PA
 40.72°N 76.85°W (Elev. 397 ft)
Last Update:
4:01 am EST Nov 6, 2025
Forecast Valid:
4am EST Nov 6, 2025-6pm EST Nov 12, 2025
 
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Additional Resources

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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