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

37°F

3°C

Humidity 52%
Wind Speed W 13 mph
Barometer 30.24 in (1024.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 12 Jan 10:53 am EST
Extended Forecast for

Mount Gretna PA

  • Today

    Today: Partly sunny, with a high near 41. West wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 6 to 9 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. Southwest wind 6 to 10 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind 8 to 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 48. Southwest wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely. Cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.

    High: 36 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 41. West wind 10 to 13 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 28. West wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 46. Southwest wind 6 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind 8 to 10 mph.
Wednesday
A chance of rain. Cloudy, with a high near 48. Southwest wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely. Cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 29.
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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:
7:34 am EST Jan 12, 2026
Forecast Valid:
11am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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