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

65°F

18°C

Humidity 33%
Wind Speed Vrbl 5 mph
Barometer 29.83 in (1010.3 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 11 Nov 2:53 pm EST
Extended Forecast for

2 Miles N Mechanicsville PA

  • Tonight

    Tonight: Showers likely, mainly between 11pm and 3am. Cloudy, with a low around 46. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers, mainly before 3pm. High near 53. East wind around 5 mph becoming light and variable. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Showers

  • Thursday Night

    Thursday Night: Rain showers likely before 5am, then a chance of rain and snow showers. Cloudy, with a low around 36. North wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 36 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: A chance of showers. Cloudy, with a high near 42. Northwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. Northwest wind 5 to 7 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly between 11pm and 3am. Cloudy, with a low around 46. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, mainly before 3pm. High near 53. East wind around 5 mph becoming light and variable. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain showers likely before 5am, then a chance of rain and snow showers. Cloudy, with a low around 36. North wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A chance of showers. Cloudy, with a high near 42. Northwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 31. Northwest wind 5 to 7 mph.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Mechanicsville PA
 41°N 76.59°W (Elev. 600 ft)
Last Update:
2:26 pm EST Nov 11, 2026
Forecast Valid:
3pm EST Nov 11, 2026-6pm EST Nov 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation