National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

27°F

-3°C

Humidity 81%
Wind Speed Calm
Barometer 29.98 in (1015.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 27 Feb 2:53 am EST
Extended Forecast for

Cornwall PA

  • Overnight

    Overnight: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. South wind around 6 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Southwest wind around 7 mph.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Partly cloudy, with a low around 33. Northeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of snow showers before 1pm. Mostly sunny, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.

    High: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Calm wind.
Friday
Sunny, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 31. South wind around 6 mph.
Saturday
Sunny, with a high near 55. Southwest wind around 7 mph.
Saturday Night
A slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Partly cloudy, with a low around 33. Northeast wind around 6 mph. Chance of precipitation is 20%.
Sunday
A slight chance of snow showers before 1pm. Mostly sunny, with a high near 41. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A chance of snow after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
A chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Tuesday Night
Rain and snow showers likely. Cloudy, with a low around 32. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cornwall PA
 40.27°N 76.41°W (Elev. 633 ft)
Last Update:
2:21 am EST Feb 27, 2026
Forecast Valid:
3am EST Feb 27, 2026-6pm EST Mar 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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