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.

Overcast

60°F

16°C

Humidity 48%
Wind Speed N 17 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 25 Sep 1:54 am EDT
Extended Forecast for

Newtown Square PA

Coastal Flood Advisory September 25, 02:30am until September 27, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory September 25, 02:30am until September 27, 05:00am

    NOW until 5:00am Sun

    Coastal Flood Advisory

  • Overnight

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. North wind 10 to 15 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 69. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 55. North wind 10 to 15 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. North wind around 10 mph.
Friday
Partly sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 55. North wind 10 to 15 mph.
Saturday
A chance of showers. Partly sunny, with a high near 69. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 55. North wind 10 to 15 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newtown Square PA
 39.99°N 75.44°W (Elev. 299 ft)
Last Update:
7:57 pm EDT Sep 24, 2026
Forecast Valid:
2am EDT Sep 25, 2026-6pm EDT Oct 1, 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