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.

Overcast

48°F

9°C

Humidity 83%
Wind Speed E 14 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 15 Mar 11:53 pm EDT
Extended Forecast for

Cornwall PA

  • Overnight

    Overnight: Showers, mainly before 5am. Temperature rising to around 57 by 5am. Southeast wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F⇑

    Showers

  • Monday

    Monday: Showers and thunderstorms, mainly before 2pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe and produce heavy rainfall. High near 67. Breezy, with a south wind 17 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Severe
    Thunderstorms
    and Breezy

  • Monday Night

    Monday Night: Rain showers, mixing with snow after 11pm, then gradually ending. The rain could be heavy at times. Some thunder is also possible. Low around 28. Breezy, with a west wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35. Breezy, with a west wind 18 to 21 mph, with gusts as high as 34 mph.

    High: 35 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. West wind 8 to 16 mph, with gusts as high as 24 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Thursday Night

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

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers, mainly before 5am. Temperature rising to around 57 by 5am. Southeast wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers and thunderstorms, mainly before 2pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe and produce heavy rainfall. High near 67. Breezy, with a south wind 17 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers, mixing with snow after 11pm, then gradually ending. The rain could be heavy at times. Some thunder is also possible. Low around 28. Breezy, with a west wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 35. Breezy, with a west wind 18 to 21 mph, with gusts as high as 34 mph.
Tuesday Night
Partly cloudy, with a low around 22. West wind 8 to 16 mph, with gusts as high as 24 mph.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 54.
Friday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 53.
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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:
8:06 pm EDT Mar 15, 2026
Forecast Valid:
12am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation