



Briefing for Late June Heat Wave
An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >
Hazardous Weather Conditions
Current conditions at
Brandywine Regional Airport (KOQN)
Lat: 39.99°NLon: 75.58°WElev: 465ft.
Fair
77°F
25°C
Humidity | 83% |
Wind Speed | W 5 mph |
Barometer | 30.08 in |
Dewpoint | 72°F (22°C) |
Visibility | 10.00 mi |
Heat Index | 78°F (26°C) |
Last update | 23 Jun 1:35 am EDT |
Extended Forecast for
Devault PA
Extreme Heat Warning June 23, 01:57am until June 25, 08:00pm
NOW until 8:00pm Wed
Extreme Heat Warning
Overnight
Low: 76 °F
Mostly Clear
Monday
High: 97 °F
Hot
Monday Night
Low: 77 °F
Mostly Clear
Tuesday
High: 100 °F
Hot
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 96 °F
Sunny then
Slight Chance
T-stormsWednesday Night
Low: 73 °F
Chance
T-stormsThursday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Detailed Forecast
Overnight
Mostly clear, with a low around 76. West wind around 5 mph becoming calm.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77. Calm wind.
Tuesday
Sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. West wind around 5 mph becoming calm.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Devault PA
40.11°N 75.53°W (Elev. 200 ft)
40.11°N 75.53°W (Elev. 200 ft)
4:12 pm EDT Jun 22, 2025
1am EDT Jun 23, 2025-6pm EDT Jun 29, 2025