Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Thunderstorm

86°F

30°C

Humidity 55%
Wind Speed SW 9 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 3 Aug 6:54 pm EDT
Extended Forecast for

Philadelphia PA

Tropical Storm Warning until further notice
Flash Flood Watch August 3, 10:00pm until August 5, 12:00am
Click here for hazard details and duration
Tropical Storm Warning until further notice
Flash Flood Watch
  •  
    Tropical Storm Warning until further notice

    NOW until further notice

    Tropical Storm Warning

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall.  Cloudy, with a low around 73. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    Low: 73 °F

  • Tuesday

    Tuesday: Tropical storm conditions expected. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 78. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    Tropical
    Storm
    Conditions
    Expected

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms after 9pm. Some of the storms could produce heavy rainfall.  Cloudy, then gradually becoming partly cloudy, with a low around 70. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.  Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain
    then Chance
    T-storms

    Low: 70 °F

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 9am.  Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 87 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 68. West wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 68 °F

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 9am.  Partly sunny, with a high near 85. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 85 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms after 9pm.  Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 69 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 85. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 85 °F

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 73. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Tropical storm conditions expected. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms after 9pm. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming partly cloudy, with a low around 70. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
A slight chance of showers, with thunderstorms also possible after 9am. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 68. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms after 9am. Partly sunny, with a high near 85. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms after 9pm. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Philadelphia PA
 39.96°N 75.16°W (Elev. 26 ft)
6:08 pm EDT Aug 3, 2020
7pm EDT Aug 3, 2020-6pm EDT Aug 10, 2020
 
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Additional Resources

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