National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Unknown Precip

38°F

3°C

Humidity 100%
Wind Speed NW 10 mph
Barometer 29.58 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 13 Nov 7:55 am EST
Extended Forecast for

Atglen PA

  • Today

    Today: Rain, mainly before 4pm. High near 40. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Rain then
    Rain Likely

  • Tonight

    Tonight: A chance of rain, mixing with snow after 9pm, then gradually ending. Cloudy, with a low around 32. Northwest wind 10 to 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Partly sunny, with a high near 45. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 45 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48. Northwest wind 10 to 15 mph.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Rain, mainly before 4pm. High near 40. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain, mixing with snow after 9pm, then gradually ending. Cloudy, with a low around 32. Northwest wind 10 to 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
Partly sunny, with a high near 45. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 33. West wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 48. Northwest wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atglen PA
 39.94°N 75.97°W (Elev. 577 ft)
Last Update:
7:01 am EST Nov 13, 2026
Forecast Valid:
8am EST Nov 13, 2026-6pm EST Nov 19, 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