National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair and Windy

44°F

7°C

Humidity 35%
Wind Speed W 26 G 39 mph
Barometer 29.43 in (996.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 29 Dec 2:53 pm EST
Extended Forecast for

Marietta PA

Wind Advisory until December 30, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 30, 12:00pm

    NOW until 12:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 48 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Windy, with a west wind 29 to 31 mph, with gusts as high as 46 mph.

    Low: 26 °F

    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Windy, with a west wind 21 to 30 mph, with gusts as high as 48 mph.

    High: 33 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. West wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36. West wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 36 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. Windy, with a west wind around 32 mph, with gusts as high as 50 mph.
Tonight
Mostly cloudy, with a low around 26. Windy, with a west wind 29 to 31 mph, with gusts as high as 46 mph.
Tuesday
Partly sunny, with a high near 33. Windy, with a west wind 21 to 30 mph, with gusts as high as 48 mph.
Tuesday Night
Mostly cloudy, with a low around 24. West wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a high near 36. West wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 22.
New Year's Day
Mostly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly cloudy, with a high near 40.
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:
2:21 pm EST Dec 29, 2025
Forecast Valid:
3pm EST Dec 29, 2025-6pm EST Jan 5, 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