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.

Fair

78°F

26°C

Humidity 56%
Wind Speed SW 5 mph
Barometer 30.10 in (1018.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 May 8:53 pm EDT
Extended Forecast for

Willow Street PA

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Isolated showers and thunderstorms between 9pm and 10pm. Mostly clear, with a low around 68. South wind 7 to 10 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Light south wind.
Monday
Sunny, with a high near 91. Calm wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Isolated showers and thunderstorms between 9pm and 10pm. Mostly clear, with a low around 68. South wind 7 to 10 mph. Chance of precipitation is 20%.
Tuesday
Sunny and hot, with a high near 92. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 70. South wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 55. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Saturday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Willow Street PA
 39.97°N 76.29°W (Elev. 449 ft)
Last Update:
8:06 pm EDT May 17, 2026
Forecast Valid:
9pm EDT May 17, 2026-6pm EDT May 24, 2026
 
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