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.

Overcast

38°F

3°C

Humidity 70%
Wind Speed NW 8 mph
Barometer 29.76 in (1008.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Nov 1:53 pm EST
Extended Forecast for

Mechanicsville PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 41. Northwest wind around 11 mph, with gusts as high as 21 mph.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: Scattered flurries between 4am and 5am, then scattered flurries with a slight chance of snow showers after 5am. Mostly cloudy, with a low around 27. West wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Veterans Day

    Veterans Day: A chance of snow showers, mixing with rain after 10am, then gradually ending. Cloudy, with a high near 41. West wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers after 1am. Increasing clouds, with a low around 31. West wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Cloudy, with a high near 46. West wind around 10 mph, with gusts as high as 23 mph.

    High: 46 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 41. Northwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
Scattered flurries between 4am and 5am, then scattered flurries with a slight chance of snow showers after 5am. Mostly cloudy, with a low around 27. West wind 8 to 10 mph, with gusts as high as 24 mph.
Veterans Day
A chance of snow showers, mixing with rain after 10am, then gradually ending. Cloudy, with a high near 41. West wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of snow showers after 1am. Increasing clouds, with a low around 31. West wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Cloudy, with a high near 46. West wind around 10 mph, with gusts as high as 23 mph.
Wednesday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A chance of showers. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsville PA
 40.98°N 76.57°W (Elev. 961 ft)
Last Update:
1:50 pm EST Nov 10, 2025
Forecast Valid:
1pm EST Nov 10, 2025-6pm EST Nov 16, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation