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

75°F

24°C

Humidity 74%
Wind Speed SW 6 mph
Barometer 30.07 in (1017.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 26 Jun 11:53 am EDT
Extended Forecast for

Cornwall PA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 83. West wind around 8 mph.

    High: 83 °F

    Cloudy

  • Tonight

    Tonight: Showers likely, mainly between 11pm and 3am. Cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 4pm, then a slight chance of thunderstorms after 5pm. High near 77. Light and variable wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Northeast wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 85. North wind 3 to 5 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

Detailed Forecast

This Afternoon
Cloudy, with a high near 83. West wind around 8 mph.
Tonight
Showers likely, mainly between 11pm and 3am. Cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers and thunderstorms, mainly before 4pm, then a slight chance of thunderstorms after 5pm. High near 77. Light and variable wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Northeast wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 85. North wind 3 to 5 mph.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny and hot, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny and hot, with a high near 97.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Sunny and hot, with a high near 98.
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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:
8:41 am EDT Jun 26, 2026
Forecast Valid:
12pm EDT Jun 26, 2026-6pm EDT Jul 2, 2026
 
Forecast Discussion
 
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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