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.

Fog/Mist

39°F

4°C

Humidity 96%
Wind Speed Calm
Barometer 29.81 in (1009.7 mb)
Dewpoint 38°F (3°C)
Visibility 4.00 mi
Last update 11 Jan 1:53 am EST
Extended Forecast for

3 Miles ENE Herndon PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. West wind 5 to 7 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Scattered snow showers between 1pm and 3pm. The snow could be heavy at times. Increasing clouds, with a high near 38. West wind 6 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    High: 38 °F

    Mostly Sunny
    then Heavy
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 26. West wind 11 to 15 mph, with gusts as high as 33 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 39. West wind around 8 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Southwest wind around 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 36.

    Low: 36 °F

    Cloudy

  • Wednesday

    Wednesday: A chance of showers. Cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. West wind 5 to 7 mph.
Sunday
Scattered snow showers between 1pm and 3pm. The snow could be heavy at times. Increasing clouds, with a high near 38. West wind 6 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 26. West wind 11 to 15 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 39. West wind around 8 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 28. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Cloudy, with a low around 36.
Wednesday
A chance of showers. Cloudy, with a high near 45. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Thursday
A chance of snow showers before 1pm. Partly sunny, with a high near 30. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 33.
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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:
1:06 am EST Jan 11, 2026
Forecast Valid:
2am EST Jan 11, 2026-6pm EST Jan 17, 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