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.

Partly Cloudy

41°F

5°C

Humidity 55%
Wind Speed W 20 G 33 mph
Barometer 29.87 in (1011.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Jan 2:53 pm EST
Extended Forecast for

Marietta PA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 28. Breezy, with a west wind 11 to 20 mph, with gusts as high as 37 mph.

    Low: 28 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 43. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. West wind around 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Southwest wind 3 to 8 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. South wind around 8 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 49. Chance of precipitation is 40%.

    High: 49 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

    High: 38 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 28. Breezy, with a west wind 11 to 20 mph, with gusts as high as 37 mph.
Monday
Mostly sunny, with a high near 43. West wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 28. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 48. Southwest wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South wind around 8 mph.
Wednesday
A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 49. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marietta PA
 40.06°N 76.53°W (Elev. 299 ft)
Last Update:
1:41 pm EST Jan 11, 2026
Forecast Valid:
3pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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