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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

86°F

30°C

Humidity 46%
Wind Speed SW 14 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 2 Oct 3:54 pm EDT
Extended Forecast for

Collingdale PA

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 60. Southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 73. Northeast wind 5 to 10 mph.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Northeast wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Increasing clouds, with a high near 67. East wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Showers
    Likely then
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 60. Southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Partly sunny, with a high near 73. Northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 57. Northeast wind around 5 mph.
Sunday
Showers likely, mainly after 2pm. Increasing clouds, with a high near 67. East wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely before 8pm. Cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 71.
Monday Night
Clear, with a low around 49.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Collingdale PA
 39.9°N 75.28°W (Elev. 62 ft)
Last Update:
4:10 pm EDT Oct 2, 2026
Forecast Valid:
4pm EDT Oct 2, 2026-6pm EDT Oct 9, 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