National Weather Service United States Department of Commerce

The flash flooding threat shifts slightly east on Friday while both coasts and Hawaii continue high surf issues due to tropical systems

The potential for heavy rainfall and flash flooding will shift east on Friday across parts of the Upper Midwest into the eastern Great Lakes. Meanwhile, portions of both the East and West Coasts, as well as Hawaii, will continue to have high surf and rip current potential due to Hurricane Cristobal and Tropical Storm Marie respectively. Caution should be used on area beaches.
Read More...

Current Conditions

En Español

Share |

Willow Grove, Naval Air Station PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

Today

Sunny

Sunny

High: 78 °F

Tonight

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 83 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 69 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 87 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 70 °F

Labor
Day

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 88 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 69 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 88 °F

Detailed Forecast

  • Today Sunny, with a high near 78. Northeast wind around 6 mph becoming southeast in the afternoon.
  • Tonight Partly cloudy, with a low around 60. Southeast wind 3 to 7 mph.
  • Saturday Mostly sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the morning.
  • Saturday Night Mostly cloudy, with a low around 69. South wind 3 to 6 mph.
  • Sunday A chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 87. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Labor Day A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Chance of precipitation is 30%.
  • Monday Night Partly cloudy, with a low around 69.
  • Tuesday A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
  • Tuesday Night Mostly cloudy, with a low around 70.
  • Wednesday Mostly sunny, with a high near 88.
  • Wednesday Night Mostly clear, with a low around 65.
  • Thursday Mostly sunny, with a high near 86.