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

69°F

21°C

Humidity 53%
Wind Speed Vrbl 5 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 51°F (11°C)
Visibility 7.00 mi
Last update 20 Jun 8:53 am EDT
Extended Forecast for

Middleburg PA

  • Today

    Today: Mostly sunny, with a high near 77. West wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Rain likely after 2am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain, with thunderstorms also possible after 11am. High near 73. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 73 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Chance Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 77. West wind 7 to 10 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
Rain likely after 2am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, with thunderstorms also possible after 11am. High near 73. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
A chance of rain and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 79.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Middleburg PA
 40.8°N 77.04°W (Elev. 614 ft)
Last Update:
8:05 am EDT Jun 20, 2026
Forecast Valid:
9am EDT Jun 20, 2026-6pm EDT Jun 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