Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Light Snow Fog/Mist

30°F

-1°C

Humidity 96%
Wind Speed W 5 mph
Barometer 30.05 in (1018.2 mb)
Dewpoint 29°F (-2°C)
Visibility 0.75 mi
Wind Chill25°F (-4°C)
Last update 18 Jan 5:53 am EST
Extended Forecast for

Marietta PA

Winter Weather Advisory until January 18, 03:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 18, 03:00pm

    NOW until 3:00pm Sun

    Winter Weather Advisory

  • Today

    High: 35 °F

    Heavy Snow
    then Slight
    Chance Snow

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. West wind around 6 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 33. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 33 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. Wind chill values as low as zero. West wind 13 to 16 mph, with gusts as high as 26 mph.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. West wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow likely, mainly before 10am. The snow could be heavy at times. Cloudy, with a high near 35. Calm wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. West wind around 6 mph.
M.L.King Day
Mostly sunny, with a high near 33. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly clear, with a low around 11. Wind chill values as low as zero. West wind 13 to 16 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 22. West wind 13 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 9.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta PA
 40.06°N 76.53°W (Elev. 299 ft)
1:36 am EST Jan 18, 2026
6am EST Jan 18, 2026-6pm EST Jan 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database