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

63°F

17°C

Humidity 87%
Wind Speed E 5 mph
Barometer 29.88 in (1011.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Apr 2:53 am EDT
Extended Forecast for

Cornwall PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. West wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 63. West wind around 8 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers after 8am. Mostly sunny, with a high near 77. Northwest wind around 9 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Northeast wind 3 to 6 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 86. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Thursday Night
A slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 63. West wind around 8 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers after 8am. Mostly sunny, with a high near 77. Northwest wind around 9 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 56. Northeast wind 3 to 6 mph.
Saturday
A slight chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 68.
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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 16, 2026
Forecast Valid:
3am EDT Apr 16, 2026-6pm EDT Apr 22, 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