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

71°F

22°C

Humidity 73%
Wind Speed SW 6 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 13 Oct 8:53 pm EDT
Extended Forecast for

Mount Gretna PA

  • Tonight

    Tonight: Mostly clear, with a low around 64. West wind 7 to 10 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers. Partly sunny, with a high near 81. West wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. North wind around 9 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 2pm. Mostly sunny, with a high near 67. Northeast wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.

    High: 67 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 8pm. Low around 58. South wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 76. Breezy. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely before 8pm. Partly cloudy, with a low around 44. Breezy. Chance of precipitation is 60%.

    Low: 44 °F

    Breezy.
    Showers
    Likely then
    Partly Cloudy

  • Saturday

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

    High: 52 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

Detailed Forecast

Tonight
Mostly clear, with a low around 64. West wind 7 to 10 mph.
Wednesday
A slight chance of showers. Partly sunny, with a high near 81. West wind 6 to 9 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 55. North wind around 9 mph.
Thursday
A slight chance of showers after 2pm. Mostly sunny, with a high near 67. Northeast wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.
Thursday Night
Showers, mainly after 8pm. Low around 58. South wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, with thunderstorms also possible after 2pm. High near 76. Breezy. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely before 8pm. Partly cloudy, with a low around 44. Breezy. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 52. Breezy.
Saturday Night
Areas of frost after 4am. 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 41.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Gretna PA
 40.24°N 76.5°W (Elev. 673 ft)
Last Update:
8:05 pm EDT Oct 13, 2026
Forecast Valid:
9pm EDT Oct 13, 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