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

37°F

3°C

Humidity 93%
Wind Speed Calm
Barometer 30.00 in (1016.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 11 Nov 12:53 am EST
Extended Forecast for

Sunbury PA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Veterans Day

    Veterans Day: Patchy fog before 9am. Otherwise, partly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 4am. Cloudy, with a low around 44. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers, mainly after 7am. High near 55. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 34. Northwest wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 47. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow showers before 7am. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.

    High: 47 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 36. Calm wind.
Veterans Day
Patchy fog before 9am. Otherwise, partly sunny, with a high near 63. Calm wind.
Wednesday Night
Showers likely, mainly before 4am. Cloudy, with a low around 44. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers, mainly after 7am. High near 55. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 34. Northwest wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers. Mostly cloudy, with a high near 47. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
A chance of snow showers before 7am. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sunbury PA
 40.87°N 76.79°W (Elev. 482 ft)
Last Update:
1:05 am EST Nov 11, 2026
Forecast Valid:
1am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation