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

62°F

17°C

Humidity 73%
Wind Speed W 5 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 17 Apr 10:53 pm EDT
Extended Forecast for

Marietta PA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 77. Southeast wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Increasing clouds, with a low around 46. Southeast wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 57. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Areas of frost after 4am. Otherwise, partly cloudy, with a low around 37. West wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance
    Showers then
    Areas Frost

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Calm wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 77. Southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Showers likely, mainly after 2am. Increasing clouds, with a low around 46. Southeast wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 57. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of showers before 8pm. Areas of frost after 4am. Otherwise, partly cloudy, with a low around 37. West wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 48.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marietta PA
 40.06°N 76.53°W (Elev. 299 ft)
Last Update:
8:06 pm EDT Apr 17, 2026
Forecast Valid:
11pm EDT Apr 17, 2026-6pm EDT Apr 24, 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