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

Tropical Storm and Storm Surge Warnings for the North Carolina Outer Banks; Heat Building in the West

Storm surge flooding and tropical storm conditions are expected in the Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Warnings are in effect. Tropical storm conditions are possible along the eastern shore of Virginia Thursday. Hurricane Erin will continue to produce life-threatening surf and rip currents along much of the east coast of the U.S. this week. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

66°F

19°C

Humidity 72%
Wind Speed E 8 mph
Barometer 30.15 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Aug 9:15 pm EDT
Extended Forecast for

Radnor Township PA

  • Tonight

    Tonight: A slight chance of showers between 3am and 5am. Cloudy, with a low around 64. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Cloudy then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 78. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 74. Northeast wind around 15 mph.

    High: 74 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

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

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 3am and 5am. Cloudy, with a low around 64. East wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 78. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy, with a high near 74. Northeast wind around 15 mph.
Thursday Night
Partly cloudy, with a low around 58. North wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 81.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly clear, with a low around 59. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Radnor Township PA
 40.05°N 75.37°W (Elev. 400 ft)
Last Update:
7:28 pm EDT Aug 19, 2025
Forecast Valid:
9pm EDT Aug 19, 2025-6pm EDT Aug 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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