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

55°F

13°C

Humidity 53%
Wind Speed NW 14 G 28 mph
Barometer 29.92 in (1013.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 9 Nov 10:53 am EST
Extended Forecast for

2 Miles S Mechanicsville PA

  • Today

    Today: Partly sunny, with a high near 58. Northwest wind 13 to 16 mph, with gusts as high as 31 mph.

    High: 58 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Northwest wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 64. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 64 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. West wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain, mainly after 1pm. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Showers. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Cloudy, with a high near 48. Chance of precipitation is 70%.

    High: 48 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 58. Northwest wind 13 to 16 mph, with gusts as high as 31 mph.
Tonight
Partly cloudy, with a low around 37. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 64. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 35. West wind around 5 mph becoming calm in the evening.
Veterans Day
Mostly sunny, with a high near 62. Light and variable wind.
Wednesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.
Thursday
Rain, mainly after 1pm. High near 57. Chance of precipitation is 80%.
Thursday Night
Showers. Low around 38. Chance of precipitation is 80%.
Friday
Showers likely, mainly before 1pm. Cloudy, with a high near 48. Chance of precipitation is 70%.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Mechanicsville PA
 40.93°N 76.58°W (Elev. 594 ft)
Last Update:
7:21 am EST Nov 9, 2026
Forecast Valid:
11am EST Nov 9, 2026-6pm EST Nov 15, 2026
 
Forecast Discussion
 
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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