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

76°F

24°C

Humidity 69%
Wind Speed W 3 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Oct 5:53 pm EDT
Extended Forecast for

Marietta PA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 54. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Northeast wind around 6 mph becoming light and variable in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly before 5am. Cloudy, with a low around 57. Southeast wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly after 2pm. High near 81. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 46. Northwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 54. Breezy.

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 54. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 65. Northeast wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Showers likely, mainly before 5am. Cloudy, with a low around 57. Southeast wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers and possibly a thunderstorm, mainly after 2pm. High near 81. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 46. Northwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta PA
 40.07°N 76.56°W (Elev. 299 ft)
Last Update:
2:21 pm EDT Oct 14, 2026
Forecast Valid:
6pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation