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

30°F

-1°C

Humidity 47%
Wind Speed Vrbl 3 mph
Barometer 30.40 in (1030.0 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 18 Mar 11:53 am EDT
Extended Forecast for

Marietta PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 40. Light and variable wind becoming southeast around 5 mph.

    High: 40 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 28. Southeast wind around 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49. South wind 5 to 8 mph.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35. Light south wind.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain after 2pm. Partly sunny, with a high near 57. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 57 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely before 8am. Partly sunny, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 40. Light and variable wind becoming southeast around 5 mph.
Tonight
Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 28. Southeast wind around 5 mph.
Thursday
Partly sunny, with a high near 49. South wind 5 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 35. Light south wind.
Friday
A slight chance of rain after 2pm. Partly sunny, with a high near 57. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers likely before 8am. Partly sunny, with a high near 62. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 47.
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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:
8:05 am EDT Mar 18, 2026
Forecast Valid:
12pm EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation