Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

73°F

23°C

Humidity 87%
Wind Speed E 3 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 31 Aug 4:54 am EDT
Extended Forecast for

Philadelphia International Airport PA

  • Overnight

    Overnight: Isolated showers.  Mostly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers.  Mostly cloudy, with a high near 85. Northeast wind around 5 mph becoming calm  in the afternoon.  Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 5am.  Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 91. Heat index values as high as 100. West wind around 5 mph.  Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 73. Calm wind.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 2pm, then a chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 87. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 73. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Isolated showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Monday
Isolated showers. Mostly cloudy, with a high near 85. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Heat index values as high as 100. West wind around 5 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms before 2pm, then a chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Philadelphia International Airport PA
 39.88°N 75.23°W (Elev. 3 ft)
4:08 am EDT Aug 31, 2026
5am EDT Aug 31, 2026-6pm EDT Sep 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

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