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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Partly Cloudy

91°F

33°C

Humidity 49%
Wind Speed SW 9 mph
Barometer 29.87 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 17 Aug 3:55 pm EDT
Extended Forecast for

Chadds Ford PA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Southwest wind around 5 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 74. Northeast wind around 10 mph, with gusts as high as 25 mph.

    High: 74 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 63. East wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 77. East wind 5 to 10 mph.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Southwest wind around 5 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly cloudy, with a high near 74. Northeast wind around 10 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 63. East wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 77. East wind 5 to 10 mph.
Tuesday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chadds Ford PA
 39.83°N 75.59°W (Elev. 299 ft)
Last Update:
4:11 pm EDT Aug 17, 2025
Forecast Valid:
4pm EDT Aug 17, 2025-6pm EDT Aug 24, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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