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

25°F

-4°C

Humidity 75%
Wind Speed W 3 mph
Barometer 30.21 in (1023.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 5 Jan 3:53 am EST
Extended Forecast for

Mount Gretna PA

  • Today

    Today: Mostly cloudy, with a high near 36. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 44. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 44 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 38. Southeast wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 47. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 36. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 28. South wind around 6 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 44. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 38. Southeast wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 47. West wind 10 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
A chance of showers after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 40.
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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:
1:36 am EST Jan 5, 2026
Forecast Valid:
4am EST Jan 5, 2026-6pm EST Jan 11, 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