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.

A Few Clouds

100°F

38°C

Humidity	31%
Wind Speed	NW 12 mph
Barometer	30.04 in (1017.1 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	24 Jun 5:54 pm EDT

More Information:

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

Extended Forecast for

Lansdowne PA

Extreme Heat Warning June 24, 06:13pm until June 25, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning June 24, 06:13pm until June 25, 08:00pm
NOW until 8:00pm Wed
Extreme Heat Warning
Tonight
Low: 79 °F
Mostly Clear
Wednesday
High: 98 °F
Sunny then
Chance
Showers
Wednesday Night
Low: 76 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 86 °F
Chance
T-storms then
Showers
Likely
Thursday Night
Low: 66 °F
Showers
Likely then
Chance
T-storms
Friday
High: 76 °F
Chance
Showers
Friday Night
Low: 68 °F
Chance
T-storms
Saturday
High: 84 °F
Mostly Cloudy
then Chance
T-storms

Detailed Forecast

Tonight

Mostly clear, with a low around 79. Northwest wind around 5 mph becoming calm in the evening.

Wednesday

A chance of showers and thunderstorms, mainly between 4pm and 5pm. Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

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. Partly sunny, with a high near 86. East wind around 5 mph. 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 likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 66. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Saturday

A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

Sunday

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

Sunday Night

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

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.