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

Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

43°F

6°C

Humidity 82%
Wind Speed Calm
Barometer 29.96 in (1014.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 7 Nov 7:53 am EST
Extended Forecast for

Herndon PA

  • Today

    Today: Scattered sprinkles after noon. Partly sunny, with a high near 56. West wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 56 °F

    Scattered
    Sprinkles

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 62. West wind around 7 mph, with gusts as high as 21 mph.

    High: 62 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. West wind 3 to 8 mph. Winds could gust as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60. Northwest wind 8 to 13 mph, with gusts as high as 31 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Scattered sprinkles after noon. Partly sunny, with a high near 56. West wind 5 to 9 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 42. West wind 5 to 8 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 62. West wind around 7 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 41. West wind 3 to 8 mph. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 60. Northwest wind 8 to 13 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 37.
Veterans Day
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 48. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Herndon PA
 40.72°N 76.85°W (Elev. 397 ft)
Last Update:
7:56 am EST Nov 7, 2026
Forecast Valid:
8am EST Nov 7, 2026-6pm EST Nov 13, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation