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 and Breezy

51°F

11°C

Humidity 27%
Wind Speed W 21 G 33 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 14 Mar 1:53 pm EDT
Extended Forecast for

Marietta PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 50. West wind around 18 mph, with gusts as high as 31 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Light and variable wind.

    Low: 34 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 54. Southeast wind 7 to 17 mph, with gusts as high as 29 mph.

    High: 54 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers. Low around 48. Southeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 67. Breezy, with a south wind 15 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers before 11pm, then snow showers, possibly mixed with rain between 11pm and 2am, then a slight chance of snow showers after 2am. Some thunder is also possible. Low around 26. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Breezy.

    High: 34 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 50. West wind around 18 mph, with gusts as high as 31 mph.
Tonight
Increasing clouds, with a low around 34. Light and variable wind.
Sunday
Partly sunny, with a high near 54. Southeast wind 7 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Showers. Low around 48. Southeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 67. Breezy, with a south wind 15 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 11pm, then snow showers, possibly mixed with rain between 11pm and 2am, then a slight chance of snow showers after 2am. Some thunder is also possible. Low around 26. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 34. Breezy.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta PA
 40.06°N 76.53°W (Elev. 299 ft)
Last Update:
2:05 pm EDT Mar 14, 2026
Forecast Valid:
2pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation