• Fri

    Sep 11

    78°Lo 61°

    Considerable cloudiness

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      4 mph
  • Sat

    Sep 12

    78°Lo 57°

    Cloudy with a bit of rain

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      6 mph
    more
  • Sun

    Sep 13

    77°Lo 60°

    Brilliant sunshine

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      6 mph
    more
  • Mon

    Sep 14

    80°Lo 55°

    Mostly sunny

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      5 mph
    more
  • Tue

    Sep 15

    77°Lo 59°

    Mostly sunny

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      77°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 78° RealFeel® 78° Precipitation 25%

Day

N

E

S

W

  • NE 5 mph
  • Gusts: 12 mph

Considerable cloudiness

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 61° RealFeel® 61° Precipitation 25%

Night

N

E

S

W

  • E 4 mph
  • Gusts: 7 mph

Considerable cloudiness

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 11

more Historical Weather Data >
  Today Normal Record 9/11/2014
High 78° 78° 100° (1983) 85°
Low 61° 58° 40° (1917) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:40 of sunlight, then sets at 7:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:01 AM with 13:22 of moolight, then sets at 6:23 PM

Princeton Weather Report

Philadelphia: Break From Heat, Humidity to End This Weekend

August 28, 2015; 1:26 AM ET

After taking a break this week, heat and humidity will return to Philadelphia this weekend and will not be quick to depart. 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.