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

24°C

75°F

Humidity 54%
Wind Speed Vrbl 9 km/h
Barometer 1016.2 mb (30.02 in)
Dewpoint 14°C (57°F)
Visibility 16 km
Last update 2 Jun 1:53 pm EDT
Extended Forecast for

Northumberland PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 25. Calm wind.

    High: 25 °C

    Mostly Cloudy

  • Tonight

    Tonight: Isolated showers before 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 16. Calm wind. Chance of precipitation is 20%.

    Low: 16 °C

    Isolated
    Showers and
    Patchy Fog

  • Monday

    Monday: Isolated showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 28. Calm wind. Chance of precipitation is 20%.

    High: 28 °C

    Patchy Fog
    then Isolated
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 17. Calm wind.

    Low: 17 °C

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 29. Light and variable wind becoming south 6 to 11 km/h in the morning. Chance of precipitation is 20%.

    High: 29 °C

    Patchy Fog
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °C

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.

    High: 27 °C

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.

    Low: 19 °C

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 27. Chance of precipitation is 60%.

    High: 27 °C

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 25. Calm wind.
Tonight
Isolated showers before 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 16. Calm wind. Chance of precipitation is 20%.
Monday
Isolated showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 28. Calm wind. Chance of precipitation is 20%.
Monday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 17. Calm wind.
Tuesday
A slight chance of showers after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 29. Light and variable wind becoming south 6 to 11 km/h in the morning. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 27. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 16. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 25. Chance of precipitation is 40%.
Friday Night
Scattered showers. Partly cloudy, with a low around 13. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 24. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Northumberland PA
 40.89°N 76.79°W (Elev. 482 m)
Last Update:
1:38 pm EDT Jun 2, 2024
Forecast Valid:
2pm EDT Jun 2, 2024-6pm EDT Jun 8, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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