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.

Fair

94°F

34°C

Humidity 43%
Wind Speed W 7 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 29 Jul 4:53 pm EDT
Extended Forecast for

Lancaster Airport PA

Heat Advisory July 29, 05:01pm until July 30, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 29, 05:01pm until July 30, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Northeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 67. Northeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 67 °F

    T-storms then
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 74. Light and variable wind.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Northeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
Showers and possibly a thunderstorm. Low around 67. Northeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Mostly cloudy, with a low around 60.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lancaster Airport PA
 40.13°N 76.29°W (Elev. 397 ft)
Last Update:
4:14 pm EDT Jul 29, 2025
Forecast Valid:
5pm EDT Jul 29, 2025-6pm EDT Aug 5, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation