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.

A Few Clouds

52°F

11°C

Humidity 69%
Wind Speed NW 10 mph
Barometer 29.94 in (1014.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 15 May 7:53 am EDT
Extended Forecast for

Mount Gretna PA

  • Today

    Today: Mostly sunny, with a high near 69. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Light and variable wind.

    Low: 50 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 61. South wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 84. West wind around 7 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Light and variable wind.
Saturday
Sunny, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 61. South wind 6 to 9 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 84. West wind around 7 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Showers likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Gretna PA
 40.26°N 76.47°W (Elev. 699 ft)
Last Update:
8:06 am EDT May 15, 2026
Forecast Valid:
8am EDT May 15, 2026-6pm EDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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