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

28°F

-2°C

Humidity 47%
Wind Speed N 10 mph
Barometer 30.23 in (1024.0 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 8 Dec 6:53 am EST
Extended Forecast for

Marietta PA

  • Today

    Today: Mostly cloudy, with a high near 30. North wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 12. North wind around 5 mph becoming calm in the evening.

    Low: 12 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 34. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 34 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. South wind around 8 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain and snow likely, becoming all rain after 10am. Cloudy, with a high near 46. South wind 10 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 30. North wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 12. North wind around 5 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 34. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 29. South wind around 8 mph.
Wednesday
Rain and snow likely, becoming all rain after 10am. Cloudy, with a high near 46. South wind 10 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 37.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 30.
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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:
2:46 am EST Dec 8, 2025
Forecast Valid:
6am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation