Dangerous Heat and Humidity Through Saturday

Dangerously hot and humid conditions are expected to continue through Saturday. Additionally, there will be a threat of thunderstorms through Sunday. View this briefing for details. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until July 4, 08:00 PM EDT

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Partly Cloudy

92°F

33°C

Humidity	40%
Wind Speed	NW 7 mph
Barometer	29.95 in (1014.1 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	94°F (34°C)
Last update	4 Jul 9:54 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Philadelphia PA

Extreme Heat Warning July 4, 10:34am until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 4, 10:34am until July 4, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
Independence Day
High: 100 °F
Sunny then
Heavy Rain
Tonight
Low: 75 °F
Heavy Rain
then Slight
Chance
T-storms
Sunday
High: 90 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 69 °F
T-storms then
Showers
Monday
High: 81 °F
Showers
Monday Night
Low: 68 °F
Showers
Likely
Tuesday
High: 83 °F
Showers
Likely
Tuesday Night
Low: 68 °F
Chance
Showers

Detailed Forecast

Independence Day

A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could produce heavy rainfall. Mostly sunny and hot, with a high near 100. Heat index values as high as 106. West wind around 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.

Tonight

Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am, then a slight chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 69. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Monday

Showers and possibly a thunderstorm. High near 81. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

Tuesday Night

A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

Wednesday

Partly sunny, with a high near 85.

Wednesday Night

Partly cloudy, with a low around 69.

Thursday

A chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.