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

Early Season Heat; Late Season Snow

An early season heat wave will consume a good portion of the Eastern U.S. today through the weekend, including the Northeast, Mid-Atlantic and Ohio Valley. Numerous record high temperatures are likely and heat advisories are in effect for Boston, New York City and Philadelphia. A late season snow will impact the central Rockies and several inches of snow are possible in the Denver metro area. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

77°F

25°C

Humidity 66%
Wind Speed Vrbl 3 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 May 10:54 am EDT
Extended Forecast for

Philadelphia PA

Heat Advisory May 21, 11:00am until May 21, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    High: 86 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 69 °F

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97. Southwest wind 5 to 10 mph.

    Hot

    High: 97 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 74. Southwest wind around 5 mph.

    Partly Cloudy

    Low: 74 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Mostly Sunny
    then Chance
    T-storms

    High: 92 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 66 °F

  • Monday

    Monday: Mostly cloudy, with a high near 78.

    Mostly Cloudy

    High: 78 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 59.

    Mostly Cloudy

    Low: 59 °F

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 71.

    Mostly Cloudy

    High: 71 °F

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny and hot, with a high near 97. Southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 74. Southwest wind around 5 mph.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, with a high near 78.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Mostly cloudy, with a high near 71.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Philadelphia PA
 39.96°N 75.16°W (Elev. 26 ft)
Last Update:
10:26 am EDT May 20, 2022
Forecast Valid:
11am EDT May 20, 2022-6pm EDT May 26, 2022
 
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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