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

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

73°F

23°C

Humidity 44%
Wind Speed S 3 mph
Barometer 30.29 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 11:55 am EDT
Extended Forecast for

Devon PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after midnight. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 62. South wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Slight Chance
    Showers then
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers. Patchy fog before 8am. High near 70. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers. Low around 60. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 5pm. High near 68. East wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Cloudy, with a low around 61. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. South wind 5 to 10 mph.
Tonight
A chance of showers, mainly after midnight. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 62. South wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers. Patchy fog before 8am. High near 70. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers. Low around 60. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 5pm. High near 68. East wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 61. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Friday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Devon PA
 40.05°N 75.43°W (Elev. 499 ft)
Last Update:
10:13 am EDT May 12, 2025
Forecast Valid:
12pm EDT May 12, 2025-6pm EDT May 18, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation