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.

Fair

79°F

26°C

Humidity 62%
Wind Speed S 9 mph
Barometer 30.12 in (1019.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 18 May 10:53 pm EDT
Extended Forecast for

Lancaster PA

  • Tonight

    Tonight: A slight chance of showers between midnight and 1am. Mostly clear, with a low around 69. South wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 94. Light southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Southwest wind around 7 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 92. Southwest wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 54. North wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 8am. Partly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers after 8am. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of showers between midnight and 1am. Mostly clear, with a low around 69. South wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 94. Light southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind around 7 mph.
Wednesday
A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 92. Southwest wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 54. North wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A chance of showers after 8am. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Friday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Saturday
Showers. High near 66. Chance of precipitation is 80%.
Saturday Night
Showers likely. Cloudy, with a low around 53. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster PA
 40.04°N 76.3°W (Elev. 302 ft)
Last Update:
8:06 pm EDT May 18, 2026
Forecast Valid:
11pm EDT May 18, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation