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 60%
Wind Speed Calm
Barometer 29.92 in (1012.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Aug 3:53 pm EDT
Extended Forecast for

3 Miles SSE White Deer PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. West wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely before 2pm, then rain likely and possibly a thunderstorm between 2pm and 4pm, then a chance of rain and thunderstorms after 4pm. Mostly cloudy, with a high near 73. Light north wind. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 73 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain, mainly before 7pm. Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance Rain
    and Areas Fog
    then Areas
    Fog

  • Friday

    Friday: A slight chance of showers after 2pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 79. Calm wind. Chance of precipitation is 20%.

    High: 79 °F

    Areas Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. West wind around 6 mph becoming calm in the evening.
Thursday
Rain likely before 2pm, then rain likely and possibly a thunderstorm between 2pm and 4pm, then a chance of rain and thunderstorms after 4pm. Mostly cloudy, with a high near 73. Light north wind. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A chance of rain, mainly before 7pm. Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers after 2pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 79. Calm wind. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 59. Chance of precipitation is 30%.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE White Deer PA
 41.01°N 76.94°W (Elev. 597 ft)
Last Update:
3:03 pm EDT Aug 19, 2026
Forecast Valid:
4pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
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