Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

33°F

1°C

Humidity 54%
Wind Speed SW 3 mph
Barometer 30.27 in (1025.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 19 Mar 1:53 am EDT
Extended Forecast for

Mechanicsville PA

  • Overnight

    Overnight: Cloudy, with a low around 28. South wind around 6 mph.

    Low: 28 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 46. South wind around 6 mph.

    High: 46 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Showers, mainly after 5pm.  High near 56. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Mostly Cloudy
    then Showers

  • Friday Night

    Friday Night: Showers, mainly before 11pm.  Low around 42. South wind 6 to 8 mph becoming west after midnight.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm.  Mostly cloudy, with a high near 61. Chance of precipitation is 30%.

    High: 61 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 34. Chance of precipitation is 40%.

    Low: 34 °F

    Chance
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 28. South wind around 6 mph.
Thursday
Cloudy, with a high near 46. South wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 29. Calm wind.
Friday
Showers, mainly after 5pm. High near 56. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, mainly before 11pm. Low around 42. South wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsville PA
 40.98°N 76.6°W (Elev. 968 ft)
2:05 am EDT Mar 19, 2026
2am EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database