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Atglen, Pennsylvania Weather Forecast
Atglen, Pennsylvania Weather
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Click for Cold Weather Advisory for Atglen, Pennsylvania
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Weather Forecast for Atglen, Pennsylvania : Chester County
Issued: 4:20 am EST Jan 27, 2026 Latitude: 39.9492712 Longitude: -75.9735608 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Increasing Clouds on Today Mostly Clear on Tonight Increasing Clouds on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday 30% chance of snow on Sunday Partly Sunny on Monday
High: 19°F Low: 4 °F High: 16°F High: 15°F High: 14°F High: 16°F High: 22°F High: 26°F
Low: 0 °F Low: -2°F Low: -2°F Low: 7 °F Low: 12°F  
Increasing Clouds Mostly Clear Increasing Clouds Mostly Sunny Mostly Sunny Mostly Cloudy Snow Partly Sunny
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Current Conditions at
LANCASTER - (KLNS)
12°
Clear
as of 4:53 AM EST
Rel. Humidity: 61%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
7 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
WILMINGTON - (KILG)
14°
Clear
as of 4:51 AM EST
Rel. Humidity: 56%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
6 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
POTTSTOWN - (KPTW)
12°
Clear
as of 4:54 AM EST
Rel. Humidity: 56%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
5 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
READING - (KRDG)
14°
Clear
as of 4:54 AM EST
Rel. Humidity: 56%
Dew Point: 1°F
Visibility: 9 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
6 MPH
250° West
Cloud Level(s): Clear
Increasing Clouds on Today Today... Increasing clouds, with a high near 19. Wind chill values as low as -12. Southwest wind around 10 mph, with gusts as high as 20 mph.
Mostly Clear on Tonight Tonight... Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -8. West wind 5 to 10 mph.
Increasing Clouds on Wednesday Wednesday... Increasing clouds, with a high near 16. Wind chill values as low as -11. West wind 10 to 15 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 0. Wind chill values as low as -14. West wind 5 to 10 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 15. West wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around -2.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 14.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around -2.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 16.
30% chance of snow Saturday Night Saturday Night... A chance of snow after 1am. Mostly cloudy, with a low around 7. Blustery. Chance of precipitation is 30%.
30% chance of snow Sunday Sunday... A chance of snow. Mostly cloudy, with a high near 22. Blustery. Chance of precipitation is 30%.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 12. Blustery.
Partly Sunny on Monday Monday... Partly sunny, with a high near 26. Blustery.
Current Radar Image


Sun Almanac for Atglen, Pennsylvania
Sunrise: 07:16 AM
Sunset: 5:17 PM
Civil Sunrise:06:47 AM
Civil Sunset: 5:46 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 6:19 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:51 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.