National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Overcast

39°F

4°C

Humidity 46%
Wind Speed W 13 mph
Barometer 30.07 in (1018.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Nov 10:53 pm EST
Extended Forecast for

Cornwall PA

  • Tonight

    Tonight: Mostly clear, with a low around 30. West wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers after 1pm. Increasing clouds, with a high near 46. West wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 46 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Cloudy, with a low around 38. Light and variable wind becoming east around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49. North wind around 6 mph.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 49.

    High: 49 °F

    Cloudy

  • Thursday Night

    Thursday Night: A chance of showers after 1am. Cloudy, with a low around 44. Chance of precipitation is 40%.

    Low: 44 °F

    Cloudy then
    Chance
    Showers

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.

    High: 59 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 30. West wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers after 1pm. Increasing clouds, with a high near 46. West wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers. Cloudy, with a low around 38. Light and variable wind becoming east around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Mostly cloudy, with a high near 49. North wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 39. Calm wind.
Thursday
Cloudy, with a high near 49.
Thursday Night
A chance of showers after 1am. Cloudy, with a low around 44. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 52. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cornwall PA
 40.27°N 76.41°W (Elev. 633 ft)
Last Update:
7:06 pm EST Nov 17, 2025
Forecast Valid:
11pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
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