• Tonight

    Sep 21

    Lo 59°

    A t-storm early; mainly clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      5 mph
    more
  • Mon

    Sep 22

    72°Lo 49°

    Mostly sunny and not as warm

    Poor for home energy
    • Avg
      RealFeel
      58°
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      12 mph
    more
  • Tue

    Sep 23

    69°Lo 52°

    Mostly sunny and beautiful

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      6 mph
  • Wed

    Sep 24

    74°Lo 58°

    Sunny and delightful

    Poor for home energy
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      8 mph
    more
  • Thu

    Sep 25

    73°Lo 56°

    Pleasant with periods of sun

    Poor for home energy
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 69° RealFeel® 71° Precipitation 3%

Day

N

E

S

W

  • N 6 mph
  • Gusts: 10 mph

Mostly sunny and beautiful

  • Max UV Index: 5 (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 52° RealFeel® 49° Precipitation 9%

Night

N

E

S

W

  • NNE 4 mph
  • Gusts: 8 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • 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 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 69° 77° 96° (1970) 66°
Low 52° 58° 34° (1924) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 12:08 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:13 AM with 12:22 of moolight, then sets at 6:35 PM

Top Story

White House Landing Weather Report

Philly: September Temperature Roller Coaster to Continue

September 21, 2014; 4:41 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Philadelphia. 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