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

Coastal and Marine Hazards This Week

Coastal flooding, dangerous rip currents, high surf, and hazardous marine conditions are expected through this week. View this briefing for more details. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

61°F

16°C

Humidity 63%
Wind Speed NE 17 mph
Barometer 30.40 in (1029.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 24 Sep 10:54 am EDT
Extended Forecast for

Newtown Square PA

Coastal Flood Advisory September 24, 11:16am until September 25, 04:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory September 24, 11:16am until September 25, 04:00am

    NOW until 4:00am Fri

    Coastal Flood Advisory

  • Today

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. North wind around 10 mph.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. North wind around 15 mph, with gusts as high as 30 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 55. North wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly after 2pm. Mostly sunny, with a high near 68. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 66. Northeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 51. North wind around 10 mph.
Friday
Mostly sunny, with a high near 69. North wind around 15 mph, with gusts as high as 30 mph.
Friday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 55. North wind 10 to 15 mph. Chance of precipitation is 20%.
Saturday
A chance of showers, mainly after 2pm. Mostly sunny, with a high near 68. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newtown Square PA
 39.96°N 75.42°W (Elev. 299 ft)
Last Update:
4:10 am EDT Sep 24, 2026
Forecast Valid:
11am EDT Sep 24, 2026-6pm EDT Sep 30, 2026
 
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