National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Light Rain Fog/Mist

39°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 29.45 in (997.5 mb)
Dewpoint 39°F (4°C)
Visibility 1.00 mi
Last update 14 Jan 7:53 pm EST
Extended Forecast for

Sunbury PA

  • Tonight

    Tonight: Rain showers before 3am, then a chance of rain and snow showers. Low around 26. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A slight chance of snow showers before 9am. Mostly cloudy, with a high near 29. West wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 32. West wind around 7 mph becoming south in the afternoon.

    High: 32 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. South wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.

    High: 39 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain showers before 3am, then a chance of rain and snow showers. Low around 26. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow showers before 9am. Mostly cloudy, with a high near 29. West wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 18. West wind around 10 mph, with gusts as high as 25 mph.
Friday
Increasing clouds, with a high near 32. West wind around 7 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a low around 26. South wind around 5 mph becoming calm in the evening.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Partly sunny, with a high near 26.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Partly sunny, with a high near 27.
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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:
7:06 pm EST Jan 14, 2026
Forecast Valid:
8pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
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Additional Resources

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Chance of Precipitation