


Current conditions at
Brandywine Regional Airport (KOQN)
Lat: 39.99°NLon: 75.58°WElev: 465ft.
Fog
70°F
21°C
Humidity | 94% |
Wind Speed | Calm |
Barometer | 30.14 in |
Dewpoint | 68°F (20°C) |
Visibility | 0.50 mi |
Last update | 12 Aug 5:15 am EDT |
Extended Forecast for
Downingtown PA
Today
High: 88 °F
Areas Fog
then SunnyTonight
Low: 70 °F
Patchy Fog
Wednesday
High: 87 °F
Slight Chance
T-storms and
Patchy Fog
then Showers
LikelyWednesday Night
Low: 70 °F
Showers
Likely then
Chance
ShowersThursday
High: 88 °F
Chance
T-stormsThursday Night
Low: 66 °F
Chance
T-storms then
Mostly ClearFriday
High: 88 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 89 °F
Mostly Sunny
Detailed Forecast
Today
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 70. South wind around 5 mph becoming calm.
Wednesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. 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 before 5am, then a slight chance of showers. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 89.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Downingtown PA
40°N 75.7°W (Elev. 299 ft)
40°N 75.7°W (Elev. 299 ft)
4:11 am EDT Aug 12, 2025
5am EDT Aug 12, 2025-6pm EDT Aug 18, 2025