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.

Light Snow Fog/Mist

25°F

-4°C

Humidity 92%
Wind Speed NW 10 mph
Barometer 29.95 in (1014.5 mb)
Dewpoint 23°F (-5°C)
Visibility 1.00 mi
Wind Chill15°F (-9°C)
Last update 18 Jan 5:53 pm EST
Extended Forecast for

Marietta PA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. West wind 3 to 7 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 34. Light and variable wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 33 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. Wind chill values as low as zero. West wind 10 to 14 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. Wind chill values as low as zero. West wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 9. West wind around 5 mph becoming calm in the evening.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. West wind 3 to 7 mph.
M.L.King Day
Mostly sunny, with a high near 34. Light and variable wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 33 mph.
Monday Night
Mostly clear, with a low around 11. Wind chill values as low as zero. West wind 10 to 14 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 22. Wind chill values as low as zero. West wind 9 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 9. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 21. Chance of precipitation is 40%.
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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:
6:11 pm EST Jan 18, 2026
Forecast Valid:
6pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

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Chance of Precipitation