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.

Mostly Cloudy

40°F

4°C

Humidity 51%
Wind Speed NW 17 G 29 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 12 Mar 5:53 pm EDT
Extended Forecast for

Cornwall PA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind 6 to 16 mph, with gusts as high as 32 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 48. Windy, with a south wind 7 to 12 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 48 °F

    Mostly Sunny
    then Partly
    Sunny and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. West wind 16 to 18 mph, with gusts as high as 31 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49. West wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. Northwest wind around 6 mph becoming east after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 54.

    High: 54 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 48. Breezy. Chance of precipitation is 90%.

    Low: 48 °F

    Breezy.
    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 64. Windy. Chance of precipitation is 100%.

    High: 64 °F

    Rain and
    Windy

  • Monday Night

    Monday Night: A chance of showers before 2am. Mostly cloudy, with a low around 29. Breezy. Chance of precipitation is 40%.

    Low: 29 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind 6 to 16 mph, with gusts as high as 32 mph.
Friday
Increasing clouds, with a high near 48. Windy, with a south wind 7 to 12 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Partly cloudy, with a low around 36. West wind 16 to 18 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 49. West wind 15 to 18 mph, with gusts as high as 29 mph.
Saturday Night
Mostly cloudy, with a low around 35. Northwest wind around 6 mph becoming east after midnight.
Sunday
Cloudy, with a high near 54.
Sunday Night
Rain, mainly after 2am. Low around 48. Breezy. Chance of precipitation is 90%.
Monday
Rain. High near 64. Windy. Chance of precipitation is 100%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 29. Breezy. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 35. Breezy.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 44.
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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:
3:03 pm EDT Mar 12, 2026
Forecast Valid:
6pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation