Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

72°F

22°C

Humidity 66%
Wind Speed Calm
Barometer 30.00 in (1015.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 11 Sep 6:53 pm EDT
Extended Forecast for

3 Miles NNE Northumberland PA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms before midnight, then showers and possibly a thunderstorm, mainly after midnight.  Low around 67. South wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 83. Light and variable wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 83 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am.  Partly cloudy, with a low around 59. Calm wind becoming northwest around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Calm wind.
Saturday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Showers and thunderstorms before midnight, then showers and possibly a thunderstorm, mainly after midnight. Low around 67. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 83. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 59. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Northumberland PA
 40.93°N 76.78°W (Elev. 600 ft)
2:21 pm EDT Sep 11, 2026
7pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026
 
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Additional Resources

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