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

Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

63°F

17°C

Humidity 97%
Wind Speed Calm
Barometer 29.66 in (1004.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 17 May 4:54 am EDT
Extended Forecast for

Philadelphia PA

  • Overnight

    Overnight: A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 65. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before noon. Patchy fog before 7am. Otherwise, partly sunny, with a high near 85. West wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. West wind around 15 mph, with gusts as high as 35 mph.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 65. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, mainly before noon. Patchy fog before 7am. Otherwise, partly sunny, with a high near 85. West wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 61. West wind around 10 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 75. West wind around 15 mph, with gusts as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 55. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 70.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Wednesday
Showers, mainly after 8am. High near 60. Chance of precipitation is 80%.
Wednesday Night
Showers. Low around 52. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Philadelphia PA
 39.96°N 75.16°W (Elev. 26 ft)
Last Update:
4:14 am EDT May 17, 2025
Forecast Valid:
5am EDT May 17, 2025-6pm EDT May 23, 2025
 
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