Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

49°F

9°C

Humidity 97%
Wind Speed Calm
Barometer 30.28 in (1025.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 11:53 pm EDT
Extended Forecast for

3 Miles E Northumberland PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of light rain, mainly between 9am and 5pm.  Cloudy, with a high near 61. Calm wind becoming southeast around 6 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance Light
    Rain

  • Sunday Night

    Sunday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Patchy Fog

  • Monday

    Monday: Mostly sunny, with a high near 65. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. Calm wind.
Sunday
A chance of light rain, mainly between 9am and 5pm. Cloudy, with a high near 61. Calm wind becoming southeast around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 54. Calm wind.
Monday
Mostly sunny, with a high near 65. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Clear, with a low around 41.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Northumberland PA
 40.88°N 76.73°W (Elev. 741 ft)
8:06 pm EDT Oct 3, 2026
12am EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
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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