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

82°F

28°C

Humidity 35%
Wind Speed W 7 mph
Barometer 29.90 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 21 Jun 4:54 pm EDT
Extended Forecast for

Cornwall PASimilar City Names

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 81. East wind 8 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms before 5am, then a chance of showers. Low around 64. South wind around 6 mph becoming northwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, mainly before 8am. Mostly sunny, with a high near 79. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. Northwest wind 7 to 9 mph.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 62. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 81. East wind 8 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms before 5am, then a chance of showers. Low around 64. South wind around 6 mph becoming northwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers, mainly before 8am. Mostly sunny, with a high near 79. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 58. Northwest wind 7 to 9 mph.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Cornwall PASimilar City Names
 40.27°N 76.41°W (Elev. 633 ft)
Last Update:
2:20 pm EDT Jun 21, 2026
Forecast Valid:
6pm EDT Jun 21, 2026-6pm EDT Jun 28, 2026
 
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Additional Resources

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