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

51°F

11°C

Humidity 83%
Wind Speed Calm
Barometer 29.97 in (1015.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Oct 9:53 pm EDT
Extended Forecast for

Middleburg PA

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. Light southeast wind becoming south 13 to 18 mph in the morning. Winds could gust as high as 32 mph.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers. Low around 51. South wind 9 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Showers

  • Monday

    Monday: A chance of showers, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 61. West wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. West wind 3 to 6 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Sunny, with a high near 65. Chance of precipitation is 20%.

    High: 65 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Calm wind.
Sunday
Partly sunny, with a high near 74. Light southeast wind becoming south 13 to 18 mph in the morning. Winds could gust as high as 32 mph.
Sunday Night
Showers. Low around 51. South wind 9 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of showers, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 61. West wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 41. West wind 3 to 6 mph.
Tuesday
A slight chance of showers after 2pm. Sunny, with a high near 65. Chance of precipitation is 20%.
Tuesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 57.
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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 pm EDT Oct 18, 2025
Forecast Valid:
10pm EDT Oct 18, 2025-6pm EDT Oct 25, 2025
 
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