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.

Fair

35°F

2°C

Humidity 61%
Wind Speed E 8 mph
Barometer 30.36 in (1028.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 15 Mar 5:53 am EDT
Extended Forecast for

Cornwall PA

  • Today

    Today: Mostly cloudy, with a high near 52. Breezy, with a southeast wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 52 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tonight

    Tonight: Showers, mainly before 5am. Low around 47. Breezy, with a southeast wind around 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. Some of the storms could be severe and produce heavy rainfall. High near 66. Breezy, with a south wind 20 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 66 °F

    Severe
    Thunderstorms
    and Breezy

  • Monday Night

    Monday Night: Rain showers before 11pm, then rain and snow showers. The rain could be heavy at times. Some thunder is also possible. Low around 27. Breezy, with a west wind 23 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35. Breezy, with a west wind around 23 mph, with gusts as high as 40 mph.

    High: 35 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 52. Breezy, with a southeast wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Showers, mainly before 5am. Low around 47. Breezy, with a southeast wind around 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. Some of the storms could be severe and produce heavy rainfall. High near 66. Breezy, with a south wind 20 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain showers before 11pm, then rain and snow showers. The rain could be heavy at times. Some thunder is also possible. Low around 27. Breezy, with a west wind 23 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 35. Breezy, with a west wind around 23 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 53.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 51. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cornwall PA
 40.27°N 76.41°W (Elev. 633 ft)
Last Update:
2:35 am EDT Mar 15, 2026
Forecast Valid:
6am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation