National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

34°F

1°C

Humidity 64%
Wind Speed N 16 mph
Barometer 29.81 in (1009.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 23 Feb 2:53 pm EST
Extended Forecast for

Winfield PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow, mainly after 1am. Low around 22. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Slight Chance
    Snow then
    Snow

  • Wednesday

    Wednesday: A chance of snow before 10am, then a chance of rain between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. West wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. West wind around 6 mph becoming calm in the evening.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain and snow likely, mainly after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.

    Low: 25 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. Northwest wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 30. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Tuesday Night
Snow, mainly after 1am. Low around 22. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
A chance of snow before 10am, then a chance of rain between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. West wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 25. West wind around 6 mph becoming calm in the evening.
Thursday
Rain and snow likely, mainly after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Friday
Sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 39.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winfield PA
 40.89°N 76.85°W (Elev. 600 ft)
Last Update:
2:26 pm EST Feb 23, 2026
Forecast Valid:
3pm EST Feb 23, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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