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

67°F

19°C

Humidity 81%
Wind Speed E 5 mph
Barometer 30.13 in (1019.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 May 11:53 pm EDT
Extended Forecast for

East Petersburg PA

  • Overnight

    Overnight: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: A slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 68. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 96. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. South wind around 7 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 92. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers before 8pm. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 62. Calm wind.
Monday
Sunny and hot, with a high near 95. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
A slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 68. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 96. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 69. South wind around 7 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 92. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers before 8pm. Low around 53. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A chance of showers after 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Friday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Petersburg PA
 40.11°N 76.35°W (Elev. 377 ft)
Last Update:
2:05 am EDT May 18, 2026
Forecast Valid:
2am EDT May 18, 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