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

45°F

7°C

Humidity 77%
Wind Speed S 9 G 21 mph
Barometer 30.05 in (1017.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 9 Jan 12:53 pm EST
Extended Forecast for

2 Miles SSE Port Trevorton PA

  • This Afternoon

    This Afternoon: Showers, mainly before 3pm. High near 50. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South wind 5 to 9 mph becoming north after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly between 1pm and 5pm. High near 41. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly between 7pm and 1am. Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 33. Light and variable wind becoming west 5 to 9 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: A slight chance of showers after 1pm. Mostly sunny, with a high near 38. West wind 10 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Monday Night

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

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers, mainly before 3pm. High near 50. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 36. South wind 5 to 9 mph becoming north after midnight.
Saturday
Rain, mainly between 1pm and 5pm. High near 41. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain likely, mainly between 7pm and 1am. Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 33. Light and variable wind becoming west 5 to 9 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers after 1pm. Mostly sunny, with a high near 38. West wind 10 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Port Trevorton PA
 40.68°N 76.89°W (Elev. 390 ft)
Last Update:
1:06 pm EST Jan 9, 2026
Forecast Valid:
1pm EST Jan 9, 2026-6pm EST Jan 15, 2026
 
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Additional Resources

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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