• Early AM

    Sep 4

    Lo 70°

    A shower or thunderstorm

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      84°
    • Hi
      RealFeel
      98°
    • Wind
      Speed
      2 mph
    more
  • Today

    Sep 4

    83°Lo 63°

    A shower or t-storm in spots

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      7 mph
    more
  • Sat

    Sep 5

    81°Lo 57°

    Sunny; pleasant, less humid

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      4 mph
  • Sun

    Sep 6

    84°Lo 60°

    Sunshine

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      1 mph
    more
  • Mon

    Sep 7

    87°Lo 67°

    Sunny, very warm and humid

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      5 mph
    more
Next Previous
Clear 70° Lo 60° RealFeel® 68° / 61°

N

E

S

W

  • Precipitation: 16%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 75%
  • Cloud Cover: 0%
  • Dew Point: 56° F
  • Visibility: 10 mi
4 mph

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 81° 80° 94° (1983) 89°
Low 57° 60° 47° (1994) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 12:54 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:40 AM with 7:28 of moolight, then sets at 2:09 PM

Princeton Weather Report

Philadelphia: Heat to Rebuild Labor Day Weekend After Cooldown

September 4, 2015; 12:30 AM 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.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index