Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Overcast

72°F

22°C

Humidity	79%
Wind Speed	NE 7 mph
Barometer	30.05 in (1017.4 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	7 Jul 11:54 pm EDT

More Information:

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

Extended Forecast for

Williamstown NJ

Overnight
Low: 65 °F
Patchy Fog
Wednesday
High: 82 °F
Partly Sunny
Wednesday Night
Low: 67 °F
Partly Cloudy
Thursday
High: 83 °F
Slight Chance
Showers then
Showers
Likely
Thursday Night
Low: 71 °F
Showers
Likely
Friday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 83 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 64 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 65. Northeast wind around 5 mph.

Wednesday

Partly sunny, with a high near 82. Northeast wind around 5 mph becoming south in the afternoon.

Wednesday Night

Partly cloudy, with a low around 67. South wind around 5 mph becoming calm.

Thursday

A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 85.

Sunday Night

Partly cloudy, with a low around 66.

Monday

Mostly sunny, with a high near 86.