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

Briefing for Impacts from Hurricane Erin through Friday

Hurricane Erin is expected to bring several coastal and marine hazards to the coasts of New Jersey and Delaware through Friday. Widespread coastal flooding, high surf, high risk of rip currents, beach erosion, and dangerous marine conditions are forecast. View this briefing for details on these threats. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Fair

62°F

17°C

Humidity 80%
Wind Speed NW 8 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 22 Aug 2:54 am EDT
Extended Forecast for

Merchantville NJ

Coastal Flood Advisory until August 23, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until August 23, 05:00am

    NOW until 5:00am Sat

    Coastal Flood Advisory

  • Overnight

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83. North wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. Calm wind.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 59. North wind around 10 mph.
Friday
Sunny, with a high near 83. North wind 5 to 10 mph.
Friday Night
Clear, with a low around 61. Calm wind.
Saturday
Sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. South wind around 5 mph.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merchantville NJ
 39.95°N 75.07°W (Elev. 7 ft)
Last Update:
4:10 pm EDT Aug 21, 2025
Forecast Valid:
3am EDT Aug 22, 2025-6pm EDT Aug 28, 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