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

29°F

-2°C

Humidity 63%
Wind Speed NW 3 mph
Barometer 30.21 in (1023.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 4 Jan 10:53 pm EST
Extended Forecast for

2 Miles SE Port Trevorton PA

  • Tonight

    Tonight: Cloudy, with a low around 21. Light and variable wind.

    Low: 21 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35. Calm wind becoming south 5 to 7 mph in the morning.

    High: 35 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Light south wind.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 1pm. Mostly cloudy, with a high near 41. Light southeast wind. Chance of precipitation is 30%.

    High: 41 °F

    Cloudy then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 35. South wind around 6 mph becoming southwest after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
Cloudy, with a low around 21. Light and variable wind.
Monday
Mostly cloudy, with a high near 35. Calm wind becoming south 5 to 7 mph in the morning.
Monday Night
Mostly cloudy, with a low around 25. Light south wind.
Tuesday
A chance of rain after 1pm. Mostly cloudy, with a high near 41. Light southeast wind. Chance of precipitation is 30%.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 35. South wind around 6 mph becoming southwest after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Friday
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Port Trevorton PA
 40.7°N 76.88°W (Elev. 482 ft)
Last Update:
10:06 pm EST Jan 4, 2026
Forecast Valid:
11pm EST Jan 4, 2026-6pm EST Jan 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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