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.

Overcast

58°F

14°C

Humidity 81%
Wind Speed S 6 mph
Barometer 29.69 in (1005.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 9 Nov 1:53 pm EST
Extended Forecast for

Sunbury PA

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers. Mostly cloudy, with a high near 60. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers between 9pm and 4am. Mostly cloudy, with a low around 36. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 44. Northwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 27. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Veterans Day

    Veterans Day: Mostly cloudy, with a high near 43. West wind 9 to 15 mph, with gusts as high as 29 mph.

    High: 43 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers. Mostly cloudy, with a high near 60. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers between 9pm and 4am. Mostly cloudy, with a low around 36. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 44. Northwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 27. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Veterans Day
Mostly cloudy, with a high near 43. West wind 9 to 15 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sunbury PA
 40.87°N 76.79°W (Elev. 482 ft)
Last Update:
1:08 pm EST Nov 9, 2025
Forecast Valid:
2pm EST Nov 9, 2025-6pm EST Nov 15, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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