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

63°F

17°C

Humidity 43%
Wind Speed NA
Barometer 29.91 in (1012.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 10 Nov 12:53 pm EST
Extended Forecast for

2 Miles WNW Port Trevorton PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. West wind 6 to 9 mph, with gusts as high as 22 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 37. Light west wind.

    Low: 37 °F

    Clear then
    Patchy Fog

  • Veterans Day

    Veterans Day: Patchy fog before 9am. Otherwise, partly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight, then a chance of showers after 1am. Cloudy, with a low around 44. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers. High near 54. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.

    High: 46 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 64. West wind 6 to 9 mph, with gusts as high as 22 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 37. Light west wind.
Veterans Day
Patchy fog before 9am. Otherwise, partly sunny, with a high near 62. Calm wind.
Wednesday Night
A chance of showers before midnight, then a chance of showers after 1am. Cloudy, with a low around 44. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers. High near 54. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Port Trevorton PA
 40.71°N 76.97°W (Elev. 600 ft)
Last Update:
1:28 pm EST Nov 10, 2026
Forecast Valid:
1pm EST Nov 10, 2026-6pm EST Nov 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation