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

30°C

86°F

Humidity 61%
Wind Speed Vrbl 6 km/h
Barometer 1016.9 mb (30.04 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index33°C (91°F)
Last update 15 Jul 5:53 pm EDT
Extended Forecast for

Selinsgrove, Penn Valley Airport PA

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 31. Calm wind becoming south 5 to 10 km/h in the afternoon. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 31 °C

    Areas Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 5am, then a chance of showers. Low around 22. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

    Low: 22 °C

    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 31. West wind 5 to 11 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 31 °C

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 22. West wind 3 to 8 km/h. Chance of precipitation is 60%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 22 °C

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 28. Chance of precipitation is 30%.

    High: 28 °C

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Partly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °C

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 28. Chance of precipitation is 30%.

    High: 28 °C

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.

    Low: 19 °C

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog before 1am, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 21. Calm wind.
Wednesday
A chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 31. Calm wind becoming south 5 to 10 km/h in the afternoon. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.
Wednesday Night
Showers and thunderstorms before 5am, then a chance of showers. Low around 22. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 31. West wind 5 to 11 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 22. West wind 3 to 8 km/h. Chance of precipitation is 60%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 28. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 17. Chance of precipitation is 30%.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 28. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 28. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 17. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 28. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Selinsgrove, Penn Valley Airport PA
 40.83°N 76.86°W (Elev. 492 m)
Last Update:
1:29 pm EDT Jul 15, 2025
Forecast Valid:
6pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation