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.

A Few Clouds

76°F

24°C

Humidity 47%
Wind Speed NA
Barometer 29.77 in (1007.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Jun 11:53 am EDT
Extended Forecast for

Middleburg PA

  • Juneteenth

    Juneteenth: Scattered showers between 4pm and 5pm. Mostly sunny, with a high near 79. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 79 °F

    Scattered
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. West wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. West wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 90%.

    High: 76 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Scattered showers between 4pm and 5pm. Mostly sunny, with a high near 79. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tonight
Mostly clear, with a low around 59. West wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 78. West wind 8 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 58. West wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 90%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Middleburg PA
 40.78°N 77.04°W (Elev. 535 ft)
Last Update:
8:06 am EDT Jun 19, 2026
Forecast Valid:
12pm EDT Jun 19, 2026-6pm EDT Jun 25, 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