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

71°F

22°C

Humidity 79%
Wind Speed N 6 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 28 Aug 8:53 pm EDT
Extended Forecast for

Cornwall PASimilar City Names

  • Tonight

    Tonight: Mostly clear, with a low around 57. North wind 5 to 7 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 62. Light southeast wind.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Light and variable wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 86 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. South wind around 6 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 57. North wind 5 to 7 mph.
Saturday
Sunny, with a high near 80. Light and variable wind.
Saturday Night
Increasing clouds, with a low around 62. Light southeast wind.
Sunday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Light and variable wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 69. South wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 87.
Monday Night
Mostly cloudy, with a low around 70.
Tuesday
Partly sunny, with a high near 89.
Tuesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cornwall PASimilar City Names
 40.27°N 76.41°W (Elev. 633 ft)
Last Update:
8:10 pm EDT Aug 28, 2026
Forecast Valid:
9pm EDT Aug 28, 2026-6pm EDT Sep 4, 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