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.

A Few Clouds

31°F

-1°C

Humidity 52%
Wind Speed W 17 G 23 mph
Barometer 30.08 in (1019.2 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 17 Mar 7:53 pm EDT
Extended Forecast for

Cornwall PA

  • Tonight

    Tonight: Isolated snow showers before 10pm. Mostly clear, with a low around 23. Northwest wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Isolated Snow
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Southeast wind around 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49. South wind 6 to 9 mph.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 35. South wind around 6 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 8am. Partly sunny, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated snow showers before 10pm. Mostly clear, with a low around 23. Northwest wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 27. Southeast wind around 6 mph.
Thursday
Partly sunny, with a high near 49. South wind 6 to 9 mph.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 35. South wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers before 8am. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 45.
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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:
2:21 pm EDT Mar 17, 2026
Forecast Valid:
8pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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