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, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Fair

80°F

27°C

Humidity	39%
Wind Speed	SE 10 mph
Barometer	30.07 in (1018.2 mb)
Dewpoint	53°F (12°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	25 Jul 1:54 pm EDT

More Information:

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

Extended Forecast for

Cornwells PA

This Afternoon
High: 84 °F
Sunny
Tonight
Low: 60 °F
Mostly Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 69 °F
Showers
Likely
Tuesday
High: 84 °F
Showers
Likely then
T-storms
Tuesday Night
Low: 67 °F
T-storms then
Showers
Likely
Wednesday
High: 83 °F
Chance
Showers

Detailed Forecast

This Afternoon

Sunny, with a high near 84. East wind around 10 mph.

Tonight

Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.

Sunday

Sunny, with a high near 86. Calm wind becoming northeast around 5 mph.

Sunday Night

Mostly clear, with a low around 66. Southeast wind around 5 mph becoming calm.

Monday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 69. 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 84. Chance of precipitation is 90%.

Tuesday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 67. Chance of precipitation is 80%.

Wednesday

A chance of showers before 8am, then a chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%.

Wednesday Night

A chance of showers before 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 84.

Thursday Night

Partly cloudy, with a low around 67.