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

38°F

3°C

Humidity 86%
Wind Speed NW 5 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 8 Jan 5:53 am EST
Extended Forecast for

Cornwall PA

  • Today

    Today: Mostly sunny, with a high near 48. Northwest wind around 5 mph becoming calm in the morning.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely after 1pm. Increasing clouds, with a high near 53. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 45. South wind 6 to 10 mph becoming north after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 51. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Cloudy, with a low around 40. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 48. Northwest wind around 5 mph becoming calm in the morning.
Tonight
Mostly cloudy, with a low around 36. Calm wind becoming south 5 to 7 mph after midnight.
Friday
Showers likely after 1pm. Increasing clouds, with a high near 53. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers. Cloudy, with a low around 45. South wind 6 to 10 mph becoming north after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers. High near 51. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely, mainly before 1am. Cloudy, with a low around 40. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, 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:
1:05 am EST Jan 8, 2026
Forecast Valid:
6am EST Jan 8, 2026-6pm EST Jan 14, 2026
 
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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