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°F

-1°C

Humidity 56%
Wind Speed Vrbl 7 G 16 mph
Barometer 30.16 in (1021.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 12 Jan 12:53 am EST
Extended Forecast for

2 Miles WNW Port Trevorton PA

  • Overnight

    Overnight: Mostly clear, with a low around 26. West wind 9 to 11 mph, with gusts as high as 31 mph.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 40. West wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Light southwest wind.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Calm wind becoming south 5 to 7 mph in the morning.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. South wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.

    High: 34 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 26. West wind 9 to 11 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 40. West wind 7 to 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 28. Light southwest wind.
Tuesday
Mostly sunny, with a high near 44. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 36. South wind around 6 mph.
Wednesday
A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Thursday
A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Port Trevorton PA
 40.71°N 76.97°W (Elev. 600 ft)
Last Update:
12:56 am EST Jan 12, 2026
Forecast Valid:
1am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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