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

51°F

11°C

Humidity 45%
Wind Speed Vrbl 6 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 19 Mar 4:53 pm EDT
Extended Forecast for

Mount Gretna PA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Southwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Decreasing
    Clouds

  • Friday

    Friday: A chance of showers, mainly after 5pm. Increasing clouds, with a high near 60. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 45. Southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Northwest wind around 9 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. Northwest wind around 6 mph becoming southeast after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 53. Breezy.

    High: 53 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Southwest wind around 6 mph becoming calm in the evening.
Friday
A chance of showers, mainly after 5pm. Increasing clouds, with a high near 60. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 45. Southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 61. Northwest wind around 9 mph.
Saturday Night
Mostly cloudy, with a low around 43. Northwest wind around 6 mph becoming southeast after midnight.
Sunday
A slight chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 53. Breezy.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 56.
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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:
2:20 pm EDT Mar 19, 2026
Forecast Valid:
5pm EDT Mar 19, 2026-6pm EDT Mar 26, 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