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

71°F

22°C

Humidity 63%
Wind Speed N 5 mph
Barometer 30.21 in (1022.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 7 Sep 10:53 am EDT
Extended Forecast for

Mount Gretna PA

  • Labor Day

    Labor Day: Sunny, with a high near 79. North wind 3 to 5 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Light north wind.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Light south wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Labor Day
Sunny, with a high near 79. North wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 55. Light north wind.
Tuesday
Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. Calm wind.
Wednesday
Mostly sunny, with a high near 86. Light south wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 84.
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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:
8:05 am EDT Sep 7, 2026
Forecast Valid:
11am EDT Sep 7, 2026-6pm EDT Sep 13, 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