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.

Light Rain

23°C

74°F

Humidity 79%
Wind Speed S 19 km/h
Barometer 1008.1 mb (29.78 in)
Dewpoint 19°C (67°F)
Visibility 16 km
Last update 27 May 12:53 am EDT
Extended Forecast for

Northumberland PA

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 18. South wind around 10 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 18 °C

    Showers

  • Memorial Day

    Memorial Day: Showers and possibly a thunderstorm, mainly before 5pm, then showers and thunderstorms after 5pm. Some of the storms could be severe. High near 25. Southeast wind 14 to 16 km/h, with gusts as high as 37 km/h. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.

    High: 25 °C

    Showers then
    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Southwest wind 8 to 10 km/h. Chance of precipitation is 60%. New precipitation amounts between 5 and 7.5 mm possible.

    Low: 15 °C

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 25. West wind 8 to 16 km/h, with gusts as high as 35 km/h. Chance of precipitation is 40%.

    High: 25 °C

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 13. West wind 3 to 8 km/h. Chance of precipitation is 30%.

    Low: 13 °C

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 22. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 22 °C

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm. Low around 10. Chance of precipitation is 80%.

    Low: 10 °C

    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 21.

    High: 21 °C

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8.

    Low: 8 °C

    Partly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 18. South wind around 10 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Memorial Day
Showers and possibly a thunderstorm, mainly before 5pm, then showers and thunderstorms after 5pm. Some of the storms could be severe. High near 25. Southeast wind 14 to 16 km/h, with gusts as high as 37 km/h. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.
Monday Night
Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Southwest wind 8 to 10 km/h. Chance of precipitation is 60%. New precipitation amounts between 5 and 7.5 mm possible.
Tuesday
A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 25. West wind 8 to 16 km/h, with gusts as high as 35 km/h. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 13. West wind 3 to 8 km/h. Chance of precipitation is 30%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 22. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Wednesday Night
Showers and possibly a thunderstorm before 8pm. Low around 10. Chance of precipitation is 80%.
Thursday
Sunny, with a high near 21.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Sunny, with a high near 22.
Friday Night
Mostly clear, with a low around 9.
Saturday
Sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
Northumberland PA
 40.89°N 76.82°W (Elev. 545 m)
Last Update:
1:05 am EDT May 27, 2024
Forecast Valid:
1am EDT May 27, 2024-6pm EDT Jun 2, 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