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.

Overcast

25°C

77°F

Humidity 79%
Wind Speed SE 6 km/h
Barometer 30.11 in
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index26°C (79°F)
Last update 13 Jul 10:35 am EDT
Extended Forecast for

West Chester PA

  • Today

    Today: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 31. Southeast wind around 10 km/h. Chance of precipitation is 30%.

    High: 31 °C

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Southeast wind 5 to 15 km/h. Chance of precipitation is 40%.

    Low: 21 °C

    Chance
    T-storms

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Patchy fog before 7am. High near 30. South wind around 10 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 30 °C

    Heavy Rain
    and Patchy
    Fog then
    Heavy Rain

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 22. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 22 °C

    Heavy Rain
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 30. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 30 °C

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 22. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 22 °C

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.

    High: 31 °C

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °C

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 70%.

    High: 32 °C

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 31. Southeast wind around 10 km/h. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Southeast wind 5 to 15 km/h. Chance of precipitation is 40%.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Patchy fog before 7am. High near 30. South wind around 10 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 22. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 30. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 22. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 22. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
West Chester PA
 39.96°N 75.62°W (Elev. 397 m)
Last Update:
4:11 am EDT Jul 13, 2025
Forecast Valid:
10am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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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