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 93%
Wind Speed Calm
Barometer 30.13 in (1020.6 mb)
Dewpoint 37°F (3°C)
Visibility 4.00 mi
Last update 21 Nov 12:53 am EST
Extended Forecast for

3 Miles NNE Swengel PA

  • Overnight

    Overnight: Areas of drizzle. Patchy fog after 3am. Otherwise, cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Areas Drizzle
    and Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, cloudy, with a high near 54. Calm wind becoming southwest around 5 mph.

    High: 54 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A chance of rain after midnight. Cloudy, with a low around 41. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 50. North wind 3 to 7 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

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

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of drizzle. Patchy fog after 3am. Otherwise, cloudy, with a low around 37. Calm wind.
Friday
Patchy fog before 10am. Otherwise, cloudy, with a high near 54. Calm wind becoming southwest around 5 mph.
Friday Night
A chance of rain after midnight. Cloudy, with a low around 41. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 50. North wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 29. Calm wind.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 32.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A chance of showers after 1pm. Cloudy, with a high near 50. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Thanksgiving Day
Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Swengel PA
 40.98°N 77.04°W (Elev. 640 ft)
Last Update:
1:05 am EST Nov 21, 2025
Forecast Valid:
1am EST Nov 21, 2025-6pm EST Nov 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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