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

43°F

6°C

Humidity 47%
Wind Speed SE 15 mph
Barometer 30.38 in (1029.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 15 Mar 9:53 am EDT
Extended Forecast for

Marietta PA

  • Today

    Today: Mostly cloudy, with a high near 54. Breezy, with a southeast wind 15 to 22 mph, with gusts as high as 33 mph.

    High: 54 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tonight

    Tonight: Showers, mainly before 4am. Low around 47. Breezy, with a southeast wind around 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Breezy.
    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm, mainly after 11am. Some of the storms could be severe. High near 67. Breezy, with a south wind 18 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Severe
    Thunderstorms
    and Breezy

  • Monday Night

    Monday Night: Rain showers before 11pm, then rain and snow showers. Some thunder is also possible. Low around 27. Breezy, with a west wind 21 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35. Breezy, with a west wind 21 to 23 mph, with gusts as high as 38 mph.

    High: 35 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 38.

    High: 38 °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 49.

    High: 49 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 54. Breezy, with a southeast wind 15 to 22 mph, with gusts as high as 33 mph.
Tonight
Showers, mainly before 4am. Low around 47. Breezy, with a southeast wind around 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers and possibly a thunderstorm, mainly after 11am. Some of the storms could be severe. High near 67. Breezy, with a south wind 18 to 25 mph, with gusts as high as 41 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 rain and snow showers. Some thunder is also possible. Low around 27. Breezy, with a west wind 21 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 35. Breezy, with a west wind 21 to 23 mph, with gusts as high as 38 mph.
Tuesday Night
Mostly clear, with a low around 21.
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 34.
Friday
Mostly sunny, with a high near 54.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 53. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta PA
 40.07°N 76.56°W (Elev. 299 ft)
Last Update:
8:05 am EDT Mar 15, 2026
Forecast Valid:
10am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation