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.

Overcast

57°F

14°C

Humidity 90%
Wind Speed Calm
Barometer 30.22 in (1023.3 mb)
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Last update 4 Oct 11:53 am EDT
Extended Forecast for

Port Trevorton PA

  • This Afternoon

    This Afternoon: Occasional sprinkles with a chance of light rain. Cloudy, with a high near 60. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Light
    Rain

  • Tonight

    Tonight: Patchy fog before 3am. Otherwise, mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Patchy Fog

  • Monday

    Monday: Mostly sunny, with a high near 65. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Northwest wind 3 to 6 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. Calm wind.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Occasional sprinkles with a chance of light rain. Cloudy, with a high near 60. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog before 3am. Otherwise, mostly cloudy, with a low around 51. Calm wind.
Monday
Mostly sunny, with a high near 65. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 40. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 62. Calm wind.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Trevorton PA
 40.7°N 76.88°W (Elev. 482 ft)
Last Update:
11:26 am EDT Oct 4, 2026
Forecast Valid:
12pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation