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 90%
Wind Speed Calm
Barometer 29.90 in (1012.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 14 Oct 12:53 am EDT
Extended Forecast for

Cornwall PA

  • Overnight

    Overnight: Mostly clear, with a low around 64. West wind around 9 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers before 2pm, then a slight chance of showers after 3pm. Increasing clouds, with a high near 81. West wind 7 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. North wind around 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Northeast wind 5 to 7 mph becoming light and variable.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 58. Southeast wind 7 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly after 2pm. High near 75. Breezy. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers before 8pm. Low around 43. Breezy. Chance of precipitation is 80%.

    Low: 43 °F

    Breezy.
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

Detailed Forecast

Overnight
Mostly clear, with a low around 64. West wind around 9 mph.
Wednesday
A chance of showers before 2pm, then a slight chance of showers after 3pm. Increasing clouds, with a high near 81. West wind 7 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 55. North wind around 10 mph.
Thursday
Mostly sunny, with a high near 67. Northeast wind 5 to 7 mph becoming light and variable.
Thursday Night
Showers, mainly after 2am. Low around 58. Southeast wind 7 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly after 2pm. High near 75. Breezy. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers before 8pm. Low around 43. Breezy. Chance of precipitation is 80%.
Saturday
Sunny, with a high near 52. Breezy.
Saturday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 67.
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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:
12:31 am EDT Oct 14, 2026
Forecast Valid:
12am EDT Oct 14, 2026-6pm EDT Oct 20, 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