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

18°C

65°F

Humidity 90%
Wind Speed Calm
Barometer 1003.5 mb (29.64 in)
Dewpoint 17°C (62°F)
Visibility 13 km
Last update 8 May 2:53 am EDT
Extended Forecast for

Northumberland PA

  • Overnight

    Overnight: A chance of showers and thunderstorms. Cloudy, with a low around 17. South wind around 8 km/h. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 17 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 29. West wind 11 to 21 km/h, with gusts as high as 35 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.

    High: 29 °C

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 13. West wind 5 to 10 km/h becoming calm after midnight.

    Low: 13 °C

    Increasing
    Clouds

  • Thursday

    Thursday: Showers likely, mainly between 11am and 5pm. Cloudy, with a high near 20. North wind 8 to 16 km/h becoming northeast in the morning. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    High: 20 °C

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 11. North wind 10 to 13 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 11 °C

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 17. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    High: 17 °C

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °C

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 19. Chance of precipitation is 50%.

    High: 19 °C

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 8. Chance of precipitation is 30%.

    Low: 8 °C

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Cloudy, with a low around 17. South wind around 8 km/h. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 29. West wind 11 to 21 km/h, with gusts as high as 35 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.
Wednesday Night
Increasing clouds, with a low around 13. West wind 5 to 10 km/h becoming calm after midnight.
Thursday
Showers likely, mainly between 11am and 5pm. Cloudy, with a high near 20. North wind 8 to 16 km/h becoming northeast in the morning. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.
Thursday Night
Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 11. North wind 10 to 13 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Friday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 17. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.
Friday Night
Partly cloudy, with a low around 7.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 19. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 8. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 19. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 8.
Monday
A chance of showers. Mostly sunny, with a high near 23. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 11. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 24. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Northumberland PA
 40.89°N 76.79°W (Elev. 482 m)
Last Update:
2:10 am EDT May 8, 2024
Forecast Valid:
4am EDT May 8, 2024-6pm EDT May 14, 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