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

26°C

79°F

Humidity 79%
Wind Speed W 9 km/h
Barometer 1018.3 mb (30.09 in)
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 25 Jun 12:53 am EDT
Extended Forecast for

Lancaster PA

Extreme Heat Warning June 25, 01:28am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 25, 01:28am until June 25, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Overnight

    Low: 24 °C

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 36. Heat index values as high as 42. Calm wind becoming northwest 5 to 10 km/h in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 36 °C

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 23 °C

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny and hot, with a high near 33. Calm wind becoming east 5 to 10 km/h in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.

    High: 33 °C

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 19. East wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 cm possible.

    Low: 19 °C

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.

    High: 25 °C

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °C

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.

    High: 31 °C

    Mostly Cloudy
    then Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 24. Calm wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 36. Heat index values as high as 42. Calm wind becoming northwest 5 to 10 km/h in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny and hot, with a high near 33. Calm wind becoming east 5 to 10 km/h in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 19. East wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 cm possible.
Friday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 31. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 22. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 32. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 23. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 32. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster PA
 40.04°N 76.3°W (Elev. 302 m)
Last Update:
1:16 am EDT Jun 25, 2025
Forecast Valid:
1am EDT Jun 25, 2025-6pm EDT Jul 1, 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