Hazardous Weather Conditions
Current conditions at
Chester County Airport (KMQS)
Lat: 39.98°NLon: 75.87°WElev: 659ft.
Mostly Cloudy
73°F
23°C
| Humidity | 88% |
| Wind Speed | W 3 mph |
| Barometer | 30.05 in |
| Dewpoint | 69°F (21°C) |
| Visibility | 9.00 mi |
| Last update | 19 May 11:55 pm EDT |
Extended Forecast for
West Chester PA
Heat Advisory May 20, 12:15am until May 20, 08:00pm
NOW until 8:00pm Wed

Heat Advisory
Overnight

Low: 71 °F
Mostly Clear
Wednesday
High: 91 °F
Sunny then
Showers
LikelyWednesday Night

Low: 54 °F
Showers
LikelyThursday

High: 64 °F
Showers
LikelyThursday Night

Low: 50 °F
Mostly Cloudy
Friday

High: 63 °F
Showers
LikelyFriday Night

Low: 48 °F
Showers
Saturday

High: 60 °F
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 71. Southwest wind around 5 mph.
Wednesday
A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 91. West wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 64. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 50. Calm wind.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 48. Chance of precipitation is 80%.
Saturday
Showers. High near 60. Chance of precipitation is 80%.
Saturday Night
Showers likely, mainly before 2am. Cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
West Chester PA
39.96°N 75.59°W (Elev. 400 ft)
39.96°N 75.59°W (Elev. 400 ft)
7:15 pm EDT May 19, 2026
12am EDT May 20, 2026-6pm EDT May 26, 2026



