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.

Fair

56°F

13°C

Humidity 84%
Wind Speed N 8 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 Oct 1:53 am EDT
Extended Forecast for

Selinsgrove PASimilar City Names

  • Overnight

    Overnight: Partly cloudy, with a low around 51. North wind around 7 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 55. Calm wind becoming south 5 to 8 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Slight Chance
    Rain then
    Rain

  • Friday

    Friday: Rain and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 77. South wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 43. North wind 9 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 3am. Otherwise, clear, with a low around 31.

    Low: 31 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. North wind around 7 mph.
Thursday
Mostly sunny, with a high near 66. Light and variable wind.
Thursday Night
Rain and possibly a thunderstorm. Low around 55. Calm wind becoming south 5 to 8 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Rain and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 77. South wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 43. North wind 9 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 31.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 58.
Sunday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 35.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Selinsgrove PASimilar City Names
 40.81°N 76.86°W (Elev. 472 ft)
Last Update:
2:28 am EDT Oct 15, 2026
Forecast Valid:
2am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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Additional Resources

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