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

Tropical Storm and Storm Surge Watches for the North Carolina Outer Banks; Hot in the Mid-Mississippi Valley

Tropical Storm conditions and coastal flooding are possible in the North Carolina Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Watches are in effect. Major Hurricane Erin is expected to bring life threatening surf and rip currents along the East Coast beaches this week. Hot to extremely hot temperatures are forecast through Tuesday in the Mid-Mississippi Valley. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Mostly Cloudy

64°F

18°C

Humidity 83%
Wind Speed NE 5 mph
Barometer 30.19 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 19 Aug 3:15 am EDT
Extended Forecast for

Newtown Square PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. East wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 74. East wind 5 to 10 mph.

    High: 74 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 63. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers. Mostly cloudy, with a high near 77. East wind around 5 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday 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

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. East wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 74. East wind 5 to 10 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 63. East wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 77. East wind around 5 mph. Chance of precipitation is 20%.
Wednesday 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%.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 83.
Saturday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newtown Square PA
 39.97°N 75.44°W (Elev. 308 ft)
Last Update:
10:07 pm EDT Aug 18, 2025
Forecast Valid:
3am EDT Aug 19, 2025-6pm EDT Aug 25, 2025
 
Forecast Discussion
 
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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