Thunderstorms and Heavy Rainfall in the Mid-Atlantic and Southern New England; Fire Weather Concerns in the West

Heavy rain and isolated severe thunderstorms may continue to bring flash and urban flooding to the northern Mid-Atlantic and southern New England through tonight. Isolated dry thunderstorms will continue to bring a fire weather threat to the northwestern Great Basin through Friday. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Fog/Mist

71°F

22°C

Humidity 90%
Wind Speed NE 13 G 25 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 68°F (20°C)
Visibility 6.00 mi
Last update 31 Jul 10:54 pm EDT
Extended Forecast for

Collingdale PA

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Cloudy, with a low around 66. North wind around 10 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly before 7am.  Mostly cloudy, with a high near 76. Northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 63. North wind 5 to 10 mph.

    Low: 63 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 81. North wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Cloudy, with a low around 66. North wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly before 7am. Mostly cloudy, with a high near 76. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 63. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 81. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Partly sunny, with a high near 87.
Tuesday Night
Mostly cloudy, with a low around 68.
Wednesday
Mostly cloudy, with a high near 84.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Collingdale PA
 39.9°N 75.28°W (Elev. 62 ft)
8:56 pm EDT Jul 31, 2025
11pm EDT Jul 31, 2025-6pm EDT Aug 7, 2025
 
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Additional Resources

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