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

76°F

24°C

Humidity 40%
Wind Speed S 18 G 29 mph
Barometer 29.59 in (1001.8 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 22 Mar 4:53 pm EDT
Extended Forecast for

Mount Gretna PA

  • Tonight

    Tonight: Showers and thunderstorms. Some of the storms could be severe. Low around 43. South wind 6 to 11 mph becoming light and variable. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Severe
    Thunderstorms
    then Showers

  • Monday

    Monday: A chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 47. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. South wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and thunderstorms. Some of the storms could be severe. Low around 43. South wind 6 to 11 mph becoming light and variable. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 30. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 47. Northwest wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 34. South wind around 6 mph.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly cloudy, with a high near 61.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Friday
Showers likely before 8am. Partly sunny, with a high near 53. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Mostly sunny, with a high near 51.
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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:
3:51 pm EDT Mar 22, 2026
Forecast Valid:
5pm EDT Mar 22, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation