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

72°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 30.12 in (1019.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 22 Jun 6:53 am EDT
Extended Forecast for

Lancaster PA

Extreme Heat Warning June 22, 11:00am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Mostly sunny and hot, with a high near 95. Heat index values as high as 100. Light southwest wind becoming west 5 to 9 mph in the morning.

    High: 95 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming clear, with a low around 76. West wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Heat index values as high as 109. Northwest wind 3 to 7 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Light west wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Northwest wind 3 to 7 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96. Chance of precipitation is 30%.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly sunny and hot, with a high near 94. Chance of precipitation is 50%.

    High: 94 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny and hot, with a high near 95. Heat index values as high as 100. Light southwest wind becoming west 5 to 9 mph in the morning.
Tonight
A slight chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming clear, with a low around 76. West wind 3 to 6 mph. Chance of precipitation is 20%.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 109. Northwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 76. Light west wind.
Tuesday
Sunny and hot, with a high near 99. Northwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Mostly sunny and hot, with a high near 94. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lancaster PA
 40.04°N 76.3°W (Elev. 302 ft)
Last Update:
6:39 am EDT Jun 22, 2025
Forecast Valid:
7am EDT Jun 22, 2025-6pm EDT Jun 28, 2025
 
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