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

63°F

17°C

Humidity 97%
Wind Speed Calm
Barometer 30.09 in (1018.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 30 Sep 2:53 am EDT
Extended Forecast for

Mount Gretna PA

  • Overnight

    Overnight: Cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 77 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61. South wind around 5 mph becoming calm after midnight.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Southwest wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 60. Calm wind.
Wednesday
Mostly cloudy, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 61. South wind around 5 mph becoming calm after midnight.
Thursday
Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 62. Southwest wind around 6 mph.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
A chance of showers after 8am. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 58.
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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:
2:21 am EDT Sep 30, 2026
Forecast Valid:
3am EDT Sep 30, 2026-6pm EDT Oct 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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