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.

Overcast

53°F

12°C

Humidity 100%
Wind Speed N 8 mph
Barometer 29.89 in
Dewpoint 53°F (12°C)
Visibility 9.00 mi
Wind Chill50°F (10°C)
Last update 27 Mar 8:35 am EDT
Extended Forecast for

Westtown PA

  • Today

    Today: Rain likely before 1pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 53. North wind 10 to 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain Likely
    then Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. North wind 5 to 10 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 43. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Southwest wind 5 to 15 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Rain likely before 1pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 53. North wind 10 to 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 43. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 53. Southwest wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 62.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westtown PA
 39.93°N 75.54°W (Elev. 302 ft)
Last Update:
4:10 am EDT Mar 27, 2026
Forecast Valid:
8am EDT Mar 27, 2026-6pm EDT Apr 2, 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