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

22°F

-6°C

Humidity 66%
Wind Speed W 3 mph
Barometer 30.29 in (1026.4 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 18 Mar 2:53 am EDT
Extended Forecast for

Selinsgrove, Penn Valley Airport PA

  • Overnight

    Overnight: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 25. Light south wind.

    Low: 25 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 46. South wind 3 to 7 mph.

    High: 46 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 2am, mixing with snow after 5am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of rain and snow before 8am, then a chance of rain after 2pm. Partly sunny, with a high near 53. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 20. Calm wind.
Wednesday
Mostly sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 25. Light south wind.
Thursday
Partly sunny, with a high near 46. South wind 3 to 7 mph.
Thursday Night
A slight chance of rain after 2am, mixing with snow after 5am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.
Friday
A slight chance of rain and snow before 8am, then a chance of rain after 2pm. Partly sunny, with a high near 53. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Selinsgrove, Penn Valley Airport PA
 40.83°N 76.86°W (Elev. 492 ft)
Last Update:
2:21 am EDT Mar 18, 2026
Forecast Valid:
3am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation