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Atglen, Pennsylvania Weather Forecast
Atglen, Pennsylvania Weather
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Weather Forecast for Atglen, Pennsylvania : Chester County
Issued: 4:10 am EST Jan 13, 2026 Latitude: 39.9492712 Longitude: -75.9735608 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday M.L.King Day
Mostly Sunny on Today 20% chance of rain on Tonight 40% chance of rain on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on M.L.King Day
High: 46°F Low: 37°F High: 47°F High: 28°F High: 29°F High: 39°F High: 30°F High: 28°F
Low: 24°F Low: 15°F Low: 24°F Low: 21°F Low: 16°F  
Mostly Sunny Rain Rain Partly Sunny Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
LANCASTER - (KLNS)
36°
Clear
as of 9:53 AM EST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
5 MPH
080° East
Cloud Level(s): Clear
Current Conditions at
WILMINGTON - (KILG)
41°
Clear
as of 9:51 AM EST
Rel. Humidity: 56%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
5 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
POTTSTOWN - (KPTW)
37°
Clear
as of 9:54 AM EST
Rel. Humidity: 51%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
6 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
READING - (KRDG)
39°
Clear
as of 9:54 AM EST
Rel. Humidity: 55%
Dew Point: 25°F
Visibility: 9 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 46. South wind around 10 mph, with gusts as high as 20 mph.

20% chance of rain Tonight Tonight... A slight chance of rain after 1am. Mostly cloudy, with a low around 37. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.

40% chance of rain Wednesday Wednesday... A chance of rain, mainly after 1pm. Cloudy, with a high near 47. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

60% chance of rain & snow Wednesday Night Wednesday Night... Rain likely before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Cloudy, with a low around 24. Southwest wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 28. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 15.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 29.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 24.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 39.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 21.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 30.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 16.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny, with a high near 28.

Current Radar Image


Sun Almanac for Atglen, Pennsylvania
Sunrise: 07:24 AM
Sunset: 5:01 PM
Civil Sunrise:06:55 AM
Civil Sunset: 5:31 PM
Nautical Sunrise: 06:21 AM
Nautical Sunset: 6:04 PM
Astro Sunrise: 05:49 AM
Astro Sunset: 6:37 PM
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