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.

Mostly Cloudy

98°F

37°C

Humidity	42%
Wind Speed	W 9 mph
Barometer	30.05 in (1017.5 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	106°F (41°C)
Last update	23 Jun 5:54 pm EDT

More Information:

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

Extended Forecast for

Boothwyn PA

Extreme Heat Warning June 23, 06:13pm until June 25, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning June 23, 06:13pm until June 25, 08:00pm
NOW until 8:00pm Wed
Extreme Heat Warning
Tonight
Low: 78 °F
Mostly Clear
Tuesday
High: 100 °F
Hot
Tuesday Night
Low: 80 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 77 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 92 °F
Slight Chance
Showers then
T-storms
Likely
Thursday Night
Low: 70 °F
T-storms
Likely
Friday
High: 81 °F
Mostly Cloudy
then Chance
T-storms

Detailed Forecast

Tonight

Mostly clear, with a low around 78. West wind around 5 mph becoming calm in the evening.

Tuesday

Sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming northwest around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 80. West wind around 5 mph becoming calm.

Wednesday

A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Heat index values as high as 102. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.

Wednesday Night

A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 77. West wind around 5 mph becoming calm. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A slight chance of showers, then showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Friday

A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.

Friday Night

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

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

Sunday

A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.