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

48°F

9°C

Humidity 83%
Wind Speed E 6 mph
Barometer 30.21 in (1023.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 13 Apr 1:53 am EDT
Extended Forecast for

Cornwall PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers between noon and 1pm. Mostly cloudy, with a high near 77. Southwest wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. West wind 6 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 82. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. West wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. South wind around 11 mph, with gusts as high as 20 mph.
Monday
A chance of showers between noon and 1pm. Mostly cloudy, with a high near 77. Southwest wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 59. West wind 6 to 10 mph.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 82. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. West wind 6 to 9 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
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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 am EDT Apr 13, 2026
Forecast Valid:
2am EDT Apr 13, 2026-6pm EDT Apr 19, 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