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

74°F

23°C

Humidity 74%
Wind Speed S 3 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 14 Oct 1:53 pm EDT
Extended Forecast for

Trevorton PA

  • This Afternoon

    This Afternoon: A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 77. West wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. North wind around 6 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Light north wind.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 55. Light southeast wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Slight Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 75. South wind around 8 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 42. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32.

    Low: 32 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55.

    High: 55 °F

    Frost then
    Sunny

Detailed Forecast

This Afternoon
A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 77. West wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 50. North wind around 6 mph.
Thursday
Mostly sunny, with a high near 64. Light north wind.
Thursday Night
Showers, mainly after 2am. Low around 55. Light southeast wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 2pm. High near 75. South wind around 8 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 42. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trevorton PA
 40.79°N 76.66°W (Elev. 873 ft)
Last Update:
2:21 pm EDT Oct 14, 2026
Forecast Valid:
2pm EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation