• Tonight

    Sep 4

    Lo 64°

    Patchy clouds

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      9 mph
    more
  • Sat

    Sep 5

    81°Lo 57°

    Turning sunny and less humid

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      7 mph
    more
  • Sun

    Sep 6

    84°Lo 60°

    Plenty of sunshine

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      4 mph
    more
  • Mon

    Sep 7

    87°Lo 64°

    Sunny and very warm

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      6 mph
    more
  • Tue

    Sep 8

    91°Lo 68°

    Mostly sunny and hot

    Poor for home energy
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      7 mph
Next Previous
Clear 80° Lo 71° RealFeel® 78° / 70°

N

E

S

W

  • Precipitation: 13%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 68%
  • Cloud Cover: 0%
  • Dew Point: 63° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 8

more Historical Weather Data >
  Today Normal Record 9/8/2014
High 91° 79° 95° (1939) 76°
Low 68° 60° 41° (1984) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 12:48 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:12 AM with 14:24 of moolight, then sets at 4:36 PM

Princeton Weather Report

Philadelphia: Heat to Rebuild Labor Day Weekend After Cooldown

September 4, 2015; 7:15 PM ET

A backdoor front will trim temperatures, haze and humidity around Philadelphia early this weekend before all three conditions build by early next week. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Tue. Home Energy Efficiency

Tue. Degree Days

Tue. UV Index