National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Mostly Cloudy

63°F

17°C

Humidity 68%
Wind Speed Calm
Barometer 29.89 in (1012.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 11 Mar 10:53 am EDT
Extended Forecast for

Cornwall PA

  • Today

    Today: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 75. South wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers after 4am. Some of the storms could be severe. Low around 44. South wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: Rain showers likely before 11am, then a slight chance of snow showers between 11am and 2pm. Mostly cloudy, with a temperature falling to around 41 by 11am. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F⇓

    Breezy.
    Rain/Snow
    Likely then
    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 30. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 50. Breezy, with a south wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 50 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 54.

    High: 54 °F

    Cloudy

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 75. South wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers after 4am. Some of the storms could be severe. Low around 44. South wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain showers likely before 11am, then a slight chance of snow showers between 11am and 2pm. Mostly cloudy, with a temperature falling to around 41 by 11am. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 30. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 50. Breezy, with a south wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Partly cloudy, with a low around 35. Breezy.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Cloudy, with a high near 54.
Sunday Night
Showers, mainly after 2am. Low around 47. Breezy. Chance of precipitation is 80%.
Monday
Showers. High near 57. Breezy. Chance of precipitation is 80%.
Monday Night
A chance of showers. Partly cloudy, with a low around 26. Breezy. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Cornwall PA
 40.27°N 76.41°W (Elev. 633 ft)
Last Update:
10:36 am EDT Mar 11, 2026
Forecast Valid:
11am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation