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

66°F

19°C

Humidity 59%
Wind Speed Calm
Barometer 30.11 in (1019.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 May 9:53 am EDT
Extended Forecast for

Mount Gretna PA

  • Today

    Today: Sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers before 9pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 61. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 84. West wind around 7 mph.

    High: 84 °F

    Sunny

  • Sunday Night

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

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 70%.

    High: 90 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers before 9pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 61. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 84. West wind around 7 mph.
Sunday Night
Mostly clear, with a low around 62. Calm wind.
Monday
Sunny, with a high near 90. Light and variable wind becoming south 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny and hot, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Gretna PA
 40.26°N 76.47°W (Elev. 699 ft)
Last Update:
8:05 am EDT May 16, 2026
Forecast Valid:
10am EDT May 16, 2026-6pm EDT May 22, 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