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

44°F

7°C

Humidity 76%
Wind Speed S 13 G 22 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 37°F (3°C)
Visibility 9.00 mi
Wind Chill38°F (3°C)
Last update 9 Jan 9:53 am EST
Extended Forecast for

Sunbury PA

  • Today

    Today: Rain likely, mainly between 1pm and 5pm. Cloudy, with a high near 51. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tonight

    Tonight: Cloudy, with a low around 37. South wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Cloudy

  • Saturday

    Saturday: Rain, mainly after 1pm. High near 43. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain likely before 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 35. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 41. West wind 6 to 14 mph, with gusts as high as 36 mph.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
Rain likely, mainly between 1pm and 5pm. Cloudy, with a high near 51. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Cloudy, with a low around 37. South wind around 5 mph becoming calm in the evening.
Saturday
Rain, mainly after 1pm. High near 43. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely before 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 35. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Mostly sunny, with a high near 41. West wind 6 to 14 mph, with gusts as high as 36 mph.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 36.
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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:
7:34 am EST Jan 9, 2026
Forecast Valid:
10am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
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Additional Resources

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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