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

45°F

7°C

Humidity 77%
Wind Speed SW 3 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 10 Nov 8:53 am EST
Extended Forecast for

Sunbury PA

  • Today

    Today: Mostly sunny, with a high near 66. West wind 5 to 11 mph, with gusts as high as 23 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 36. Light west wind.

    Low: 36 °F

    Clear then
    Patchy Fog

  • Veterans Day

    Veterans Day: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 55. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 37. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.

    High: 47 °F

    Chance Rain

  • Friday Night

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

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 66. West wind 5 to 11 mph, with gusts as high as 23 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 36. Light west wind.
Veterans Day
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 64. Calm wind.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 55. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Mostly cloudy, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 53.
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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:
7:05 am EST Nov 10, 2026
Forecast Valid:
9am EST Nov 10, 2026-6pm EST Nov 16, 2026
 
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