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

29°F

-2°C

Humidity 63%
Wind Speed W 3 mph
Barometer 30.21 in (1023.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 12 Jan 6:53 am EST
Extended Forecast for

Middleburg PA

  • Today

    Today: Mostly sunny, with a high near 40. West wind 7 to 10 mph, with gusts as high as 24 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Light southwest wind.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind 3 to 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 45. Southwest wind 3 to 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow likely, possibly mixed with rain before 1pm, then a chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.

    High: 33 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 40. West wind 7 to 10 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 28. Light southwest wind.
Tuesday
Mostly sunny, with a high near 44. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind 3 to 5 mph.
Wednesday
A chance of rain. Mostly cloudy, with a high near 45. Southwest wind 3 to 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 4am, then rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, possibly mixed with rain before 1pm, then a chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 28.
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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:
3:12 am EST Jan 12, 2026
Forecast Valid:
7am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
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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