Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

A Few Clouds

78°F

26°C

Humidity	50%
Wind Speed	E 8 mph
Barometer	30.10 in (1019.3 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	25 Jul 10:54 am EDT

More Information:

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

Extended Forecast for

Merion Station PA

Today
High: 85 °F
Sunny
Tonight
Low: 61 °F
Mostly Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 65 °F
Partly Cloudy
Monday
High: 87 °F
Mostly Sunny
then Showers
Likely
Monday Night
Low: 68 °F
Showers
Likely
Tuesday
High: 83 °F
Showers
Likely then
T-storms
Tuesday Night
Low: 66 °F
T-storms then
Chance
T-storms
Wednesday
High: 82 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

Today

Sunny, with a high near 85. East wind around 5 mph.

Tonight

Mostly clear, with a low around 61. East wind around 5 mph becoming calm in the evening.

Sunday

Sunny, with a high near 86. Northeast wind around 5 mph becoming calm.

Sunday Night

Partly cloudy, with a low around 65. South wind around 5 mph.

Monday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 90%.

Tuesday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 66. Chance of precipitation is 80%.

Wednesday

A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%.

Wednesday Night

A chance of showers before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 83.

Thursday Night

Mostly clear, with a low around 66.

Friday

Sunny, with a high near 86.