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

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Mostly Cloudy

31°F

-1°C

Humidity 45%
Wind Speed NA
Barometer 29.93 in (1014.1 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 19 Jan 3:53 pm EST
Extended Forecast for

3 Miles ENE Herndon PA

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Wind chill values as low as -5. West wind 9 to 15 mph, with gusts as high as 29 mph.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 18. Wind chill values as low as -5. West wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 18 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7. West wind around 6 mph becoming calm in the evening.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 31. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 31 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 7. Wind chill values as low as -5. West wind 9 to 15 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 18. Wind chill values as low as -5. West wind 8 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 7. West wind around 6 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 31. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 26. South wind 6 to 10 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 5.
Saturday
Mostly cloudy, with a high near 14.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 15. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Partly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Herndon PA
 40.74°N 76.82°W (Elev. 925 ft)
Last Update:
1:16 pm EST Jan 19, 2026
Forecast Valid:
4pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation