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Briefing for Late June Heat Wave

An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Partly Cloudy

84°F

29°C

Humidity 41%
Wind Speed W 18 G 25 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Jun 3:54 pm EDT
Extended Forecast for

Philadelphia PA

Extreme Heat Watch June 22, 08:00am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. West wind 5 to 10 mph.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Southwest wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 102. West wind 5 to 10 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. Southwest wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 69. West wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 73. Southwest wind 5 to 10 mph.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 102. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 79. Southwest wind around 5 mph.
Monday
Sunny and hot, with a high near 101.
Monday Night
Mostly clear, with a low around 80.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Philadelphia PA
 39.94°N 75.16°W (Elev. 7 ft)
Last Update:
4:11 pm EDT Jun 20, 2025
Forecast Valid:
4pm EDT Jun 20, 2025-6pm EDT Jun 27, 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