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.

Mostly Cloudy

64°F

18°C

Humidity 68%
Wind Speed S 8 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 15 Oct 5:53 pm EDT
Extended Forecast for

Marietta PA

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 58. Southeast wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 82. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 45. Northwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Breezy, with a north wind 16 to 20 mph, with gusts as high as 29 mph.

    High: 54 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 35. North wind 3 to 8 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 58. Southeast wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 82. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 45. Northwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 54. Breezy, with a north wind 16 to 20 mph, with gusts as high as 29 mph.
Saturday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 35. North wind 3 to 8 mph.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 64.
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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 15, 2026
Forecast Valid:
6pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation