No Watches or Warnings for Atglen
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Weather Conditions for Atglen, Pennsylvania : Chester County
Issued: 4:11 pm EDT Oct 14, 2026 Latitude: 39.9492712 Longitude: -75.9735608 View on Google Maps

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Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Overnight Mostly Sunny on Thursday 80% chance of thunderstorms on Friday 30% chance of rain on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday Sunny on Wednesday
Low: 53°F High: 64°F High: 76°F High: 52°F High: 55°F High: 61°F High: 64°F High: 64°F
Low: 55°F Low: 45°F Low: 34°F Low: 36°F Low: 42°F Low: 44°F  
Mostly Cloudy Mostly Sunny Thunderstorms Rain Sunny Sunny Mostly Sunny Sunny

Hourly forecast

Atglen, pa · Next 24 hours · Eastern time (EST/EDT)

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Current Conditions at
LANCASTER - (KLNS)
68°
Clear
as of 12:53 AM EDST
Rel. Humidity: 77%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Clear
Current Conditions at
WILMINGTON - (KILG)
72°
Clear
as of 12:51 AM EDST
Rel. Humidity: 73%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
8 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
POTTSTOWN - (KPTW)
64°
Clear
as of 12:54 AM EDST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
12 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
READING - (KRDG)
64°
Mostly Clear
as of 12:54 AM EDST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
8 MPH
010° North
Cloud Level(s): Few at 3500ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 53. North wind around 10 mph.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 64. North wind around 5 mph becoming east in the afternoon.

60% chance of thunderstorms Thursday Night Thursday Night... A chance of showers, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 55. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

80% chance of thunderstorms Friday Friday... A chance of showers, then showers and possibly a thunderstorm after 5pm. High near 76. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

80% chance of thunderstorms Friday Night Friday Night... Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

30% chance of rain Saturday Saturday... A chance of showers before 8am. Mostly sunny, with a high near 52. Breezy. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Mostly Clear on Saturday Night Saturday Night... Areas of frost. Otherwise, mostly clear, with a low around 34.

Sunny on Sunday Sunday... Areas of frost before 10am. Otherwise, sunny, with a high near 55.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 36.

Sunny on Monday Monday... Sunny, with a high near 61.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 42.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 64.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 44.

Sunny on Wednesday Wednesday... Sunny, with a high near 64.

Pennsylvania's Warnings, Watches, and AdvisoriesPennsylvania's Watches, Warnings, and Advisories

Sun Almanac for Atglen, Pennsylvania
Astronomical Sunrise 05:45 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 06:16 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 06:47 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 07:15 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: 11 Hours 10 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 6:25 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 6:52 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 7:23 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 7:55 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 12 Hours 5 Minutes
Nautical Rise to Set: 13 Hours 7 Minutes
Astro Rise to Set: 14 Hours 10 Minutes

Click for yearly Sun Almanac for Atglen
Moon Almanac for Atglen, Pennsylvania
Moon Phase: Waxing Crescent
Moon Illumination: 20%
Moon Age: 4.31 Days
Moon is currently below the horizon
Distance from Moon to Earth: 251,194 miles
Upcoming Lunar Events for
Atglen:
Next EventEvent TimeIllum

Moonrise:12:26 pm Thu23.1%
High Moon:04:50 pm Thu24.6%
Moonset:09:14 pm Thu26.1%
New Moon: Sat Oct 10
First Quarter: Sun Oct 18
Full Moon: Mon Oct 26
Last Quarter: Sun Nov 1
New Moon: Mon Nov 9
Click for Monthly Moon Almanac