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

39°F

4°C

Humidity 36%
Wind Speed NW 10 G 28 mph
Barometer 29.98 in (1015.4 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 12 Mar 6:53 pm EDT
Extended Forecast for

Middleburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 29 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, mainly between 2pm and 4pm. Increasing clouds, with a high near 49. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of showers, mainly before 8pm. Partly cloudy, with a low around 34. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 48. West wind 11 to 13 mph, with gusts as high as 28 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow showers after 2am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: Cloudy, with a high near 53.

    High: 53 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 64. Chance of precipitation is 100%.

    High: 64 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain and snow showers before 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 29 mph.
Friday
A chance of showers, mainly between 2pm and 4pm. Increasing clouds, with a high near 49. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 34. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 48. West wind 11 to 13 mph, with gusts as high as 28 mph.
Saturday Night
A slight chance of snow showers after 2am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 20%.
Sunday
Cloudy, with a high near 53.
Sunday Night
Rain, mainly after 2am. Low around 48. Chance of precipitation is 80%.
Monday
Rain. High near 64. Chance of precipitation is 100%.
Monday Night
A chance of rain and snow showers before 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 44.
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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:
3:03 pm EDT Mar 12, 2026
Forecast Valid:
7pm EDT Mar 12, 2026-6pm EDT Mar 19, 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