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.

Mostly Cloudy

80°F

27°C

Humidity 56%
Wind Speed SE 7 mph
Barometer 29.86 in (1010.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 26 Jul 2:53 pm EDT
Extended Forecast for

3 Miles NNE Swengel PA

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 82. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Scattered
    T-storms then
    Patchy Fog

  • Monday

    Monday: Scattered showers and thunderstorms, mainly after 4pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 85. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Areas Fog
    then
    Scattered
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly between 1am and 5am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Scattered
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 78. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 82. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms, mainly before 7pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Scattered showers and thunderstorms, mainly after 4pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 85. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, mainly between 1am and 5am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 78. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 85.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 81.
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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:
4:01 pm EDT Jul 26, 2026
Forecast Valid:
4pm EDT Jul 26, 2026-6pm EDT Aug 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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