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.

Fog/Mist

40°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.24 in (1024.5 mb)
Dewpoint 40°F (4°C)
Visibility 1.50 mi
Last update 4 Mar 8:53 pm EST
Extended Forecast for

2 Miles NE Northumberland PA

  • Tonight

    Tonight: A chance of drizzle, mainly between 2am and 4am, then showers after 4am. Patchy fog. Low around 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Rain. Areas of fog before 10am. High near 45. Calm wind becoming east around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 45 °F

    Rain and
    Areas Fog

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 40. Light southeast wind. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain

  • Friday

    Friday: A slight chance of showers before 1pm. Mostly cloudy, with a high near 48. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 1am. Cloudy, with a low around 43. Calm wind. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 64. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of drizzle, mainly between 2am and 4am, then showers after 4am. Patchy fog. Low around 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Areas of fog before 10am. High near 45. Calm wind becoming east around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain and possibly a thunderstorm. Low around 40. Light southeast wind. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 48. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers before 1am. Cloudy, with a low around 43. Calm wind. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 64. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Northumberland PA
 40.93°N 76.75°W (Elev. 594 ft)
Last Update:
9:41 pm EST Mar 4, 2026
Forecast Valid:
9pm EST Mar 4, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation