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

60°F

16°C

Humidity 86%
Wind Speed Calm
Barometer 30.00 in (1015.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 23 Jun 10:53 pm EDT
Extended Forecast for

Trevorton PA

  • Tonight

    Tonight: Mostly clear, with a low around 55. Northwest wind 5 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Northwest wind 3 to 6 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Northwest wind 5 to 8 mph.
Wednesday
Sunny, with a high near 78. Northwest wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 57. Calm wind.
Thursday
Mostly sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 64. Chance of precipitation is 80%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trevorton PA
 40.79°N 76.69°W (Elev. 1201 ft)
Last Update:
8:11 pm EDT Jun 23, 2026
Forecast Valid:
10pm EDT Jun 23, 2026-6pm EDT Jun 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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