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

73°F

23°C

Humidity 90%
Wind Speed Calm
Barometer 30.06 in (1017.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 14 Aug 7:53 pm EDT
Extended Forecast for

Trevorton PA

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Light northeast wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Light east wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. South wind 5 to 7 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am. Low around 67. South wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. Light northeast wind.
Saturday
Mostly sunny, with a high near 83. Calm wind.
Saturday Night
Partly cloudy, with a low around 64. Light east wind.
Sunday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. South wind 5 to 7 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 2am. Low around 67. South wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trevorton PA
 40.79°N 76.66°W (Elev. 873 ft)
Last Update:
8:11 pm EDT Aug 14, 2026
Forecast Valid:
8pm EDT Aug 14, 2026-6pm EDT Aug 21, 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