Briefing for Heat, Severe Storm, and Flash Flood Risks through Thursday

Dangerously hot and humid conditions are expected through Wednesday. There is also a threat of isolated severe thunderstorms on Wednesday. Flash flooding from locally heavy rainfall is possible on Thursday. See this briefing for details on these hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

A Few Clouds

81°F

27°C

Humidity	74%
Wind Speed	Calm
Barometer	30.00 in (1016.0 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	30 Jul 6:54 am EDT

More Information:

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

Extended Forecast for

Clayton NJSimilar City Names

Heat Advisory July 30, 07:52am until July 30, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 30, 07:52am until July 30, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
Today
High: 96 °F
Sunny
Tonight
Low: 74 °F
Mostly Clear
Thursday
High: 91 °F
Chance
Showers then
Heavy Rain
Thursday Night
Low: 68 °F
Heavy Rain
Friday
High: 74 °F
Showers
Friday Night
Low: 61 °F
Chance
Showers
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear

Detailed Forecast

Today

Sunny, with a high near 96. Heat index values as high as 104. Calm wind becoming southwest around 5 mph in the afternoon.

Tonight

Mostly clear, with a low around 74. South wind around 5 mph.

Thursday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 91. South wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 68. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Friday

Showers and possibly a thunderstorm. High near 74. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Sunny, with a high near 80.

Saturday Night

Mostly clear, with a low around 58.

Sunday

Sunny, with a high near 83.

Sunday Night

Partly cloudy, with a low around 60.

Monday

Mostly sunny, with a high near 85.

Monday Night

Partly cloudy, with a low around 62.