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.

Overcast

65°F

18°C

Humidity 81%
Wind Speed N 8 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Aug 7:53 am EDT
Extended Forecast for

3 Miles ENE Herndon PA

  • Today

    Today: Mostly cloudy, with a high near 74. Northeast wind 5 to 7 mph.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. Southeast wind 3 to 6 mph.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 62. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 74. Northeast wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 61. Calm wind.
Tuesday
Partly sunny, with a high near 73. Southeast wind 3 to 6 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 62. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
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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:
6:49 am EDT Aug 18, 2025
Forecast Valid:
8am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
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