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.

Overcast

49°F

9°C

Humidity 97%
Wind Speed E 12 mph
Barometer 29.86 in (1011.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 16 Mar 1:53 am EDT
Extended Forecast for

Mount Gretna PA

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Low around 47. Breezy, with a southeast wind around 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers and
    Breezy

  • Monday

    Monday: Showers likely before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Cloudy, with a high near 66. Windy, with a south wind 21 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Severe
    Thunderstorms
    and Windy

  • Monday Night

    Monday Night: Rain showers, possibly mixed with sleet before midnight, then a chance of rain and snow showers between midnight and 1am. Some thunder is also possible. Low around 27. Windy, with a west wind 24 to 29 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.

    Low: 27 °F

    Windy.
    Rain/Sleet
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Increasing clouds, with a high near 36. Breezy, with a west wind 18 to 21 mph, with gusts as high as 32 mph.

    High: 36 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. West wind 7 to 17 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Low around 47. Breezy, with a southeast wind around 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Cloudy, with a high near 66. Windy, with a south wind 21 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain showers, possibly mixed with sleet before midnight, then a chance of rain and snow showers between midnight and 1am. Some thunder is also possible. Low around 27. Windy, with a west wind 24 to 29 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.
Tuesday
Increasing clouds, with a high near 36. Breezy, with a west wind 18 to 21 mph, with gusts as high as 32 mph.
Tuesday Night
Partly cloudy, with a low around 22. West wind 7 to 17 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 55.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Gretna PA
 40.26°N 76.47°W (Elev. 699 ft)
Last Update:
2:21 am EDT Mar 16, 2026
Forecast Valid:
2am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation