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Atglen, Pennsylvania Weather Forecast
Atglen, Pennsylvania Weather
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Weather Forecast for Atglen, Pennsylvania : Chester County
Issued: 6:59 am EST Dec 20, 2025 Latitude: 39.9492712 Longitude: -75.9735608 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Christmas Day Friday
Mostly Sunny on This Afternoon Increasing Clouds on Tonight Clearing on Sunday Sunny on Monday 30% chance of rain on Tuesday Mostly Sunny on Wednesday 30% chance of rain on Christmas Day Mostly Cloudy on Friday
High: 37°F Low: 30°F High: 42°F High: 36°F High: 45°F High: 43°F High: 48°F High: 54°F
Low: 20°F Low: 28°F Low: 32°F Low: 30°F Low: 43°F  
Mostly Sunny Increasing Clouds Clearing Sunny Rain Mostly Sunny Rain Mostly Cloudy
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Current Conditions at
LANCASTER - (KLNS)
34°
Clear
as of 12:53 PM EST
Rel. Humidity: 47%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
5 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
WILMINGTON - (KILG)
39°
Clear
as of 12:51 PM EST
Rel. Humidity: 38%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
POTTSTOWN - (KPTW)
34°
Clear
as of 12:54 PM EST
Rel. Humidity: 47%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
5 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
READING - (KRDG)
37°
Clear
as of 12:54 PM EST
Rel. Humidity: 44%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
8 MPH
280° West
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 37. South wind around 5 mph.

Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 30. South wind around 10 mph, with gusts as high as 20 mph.

Clearing on Sunday Sunday... Cloudy through mid morning, then gradual clearing, with a high near 42. West wind 10 to 15 mph, with gusts as high as 30 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 20. Northwest wind 10 to 15 mph.

Sunny on Monday Monday... Sunny, with a high near 36. Northwest wind 5 to 10 mph.

40% chance of snow Monday Night Monday Night... A chance of snow after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

30% chance of rain Tuesday Tuesday... A chance of rain before 1pm. Cloudy, with a high near 45. Chance of precipitation is 30%.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 32.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 43.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 30.

30% chance of rain Christmas Day Christmas Day... A chance of rain. Cloudy, with a high near 48. Chance of precipitation is 30%.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 43.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 54.

Current Radar Image


Sun Almanac for Atglen, Pennsylvania
Sunrise: 07:22 AM
Sunset: 4:42 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:19 PM
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