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.

A Few Clouds

78°F

26°C

Humidity 82%
Wind Speed W 6 mph
Barometer 29.95 in (1013.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 3 Sep 10:53 pm EDT
Extended Forecast for

Mount Joy PA

  • Tonight

    Tonight: A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 70. Light west wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Severe
    Thunderstorms

  • Friday

    Friday: A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 65. Northwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Light north wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. North wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 70. Light west wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 65. Northwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 81. Light north wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 57. North wind 3 to 6 mph.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 56.
Labor Day
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Joy PA
 40.1°N 76.49°W (Elev. 312 ft)
Last Update:
10:30 pm EDT Sep 3, 2026
Forecast Valid:
11pm EDT Sep 3, 2026-6pm EDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation