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

62°F

17°C

Humidity 96%
Wind Speed Calm
Barometer 30.17 in (1021.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Aug 4:53 am EDT
Extended Forecast for

Selinsgrove, Penn Valley Airport PA

  • Today

    Today: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 77. Southeast wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms. Low around 67. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 84. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 84 °F

    Partly Sunny

  • Monday Night

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

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind.
Tonight
Partly cloudy, with a low around 64. Calm wind.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 77. Southeast wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms. Low around 67. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 84. Calm wind becoming northwest 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 84.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Selinsgrove, Penn Valley Airport PA
 40.83°N 76.86°W (Elev. 492 ft)
Last Update:
3:06 am EDT Aug 15, 2026
Forecast Valid:
5am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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