National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Rain Fog/Mist

47°F

8°C

Humidity 93%
Wind Speed S 5 mph
Barometer 30.13 in (1020.5 mb)
Dewpoint 45°F (7°C)
Visibility 4.00 mi
Wind Chill45°F (7°C)
Last update 5 Mar 7:53 pm EST
Extended Forecast for

2 Miles NE Northumberland PA

  • Tonight

    Tonight: Showers, mainly before 11pm. Patchy fog after 5am. Low around 40. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers then
    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, cloudy, with a high near 48. Calm wind becoming southeast around 5 mph.

    High: 48 °F

    Patchy Fog
    then Cloudy

  • Friday Night

    Friday Night: A chance of showers, mainly between 7pm and 1am. Cloudy, with a low around 41. Light southeast wind. Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 1pm. Mostly cloudy, with a high near 60. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Cloudy then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 1am. Low around 50. South wind around 6 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly before 11pm. Patchy fog after 5am. Low around 40. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Patchy fog before 7am. Otherwise, cloudy, with a high near 48. Calm wind becoming southeast around 5 mph.
Friday Night
A chance of showers, mainly between 7pm and 1am. Cloudy, with a low around 41. Light southeast wind. Chance of precipitation is 40%.
Saturday
A chance of showers after 1pm. Mostly cloudy, with a high near 60. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, mainly before 1am. Low around 50. South wind around 6 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Thursday
A chance of showers. Partly sunny, with a high near 50. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Northumberland PA
 40.93°N 76.75°W (Elev. 594 ft)
Last Update:
7:06 pm EST Mar 5, 2026
Forecast Valid:
8pm EST Mar 5, 2026-6pm EDT Mar 12, 2026
 
Forecast Discussion
 
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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