• Today

    Dec 18

    41°Lo 29°

    Clearing and colder

    Good for home energy
    • Avg
      RealFeel
      26°
    • Hi
      RealFeel
      31°
    • Wind
      Speed
      14 mph
  • Fri

    Dec 19

    40°Lo 25°

    Intervals of clouds and sun

    Good for home energy
    • Avg
      RealFeel
      28°
    • Hi
      RealFeel
      31°
    • Wind
      Speed
      12 mph
    more
  • Sat

    Dec 20

    39°Lo 27°

    Partly sunny

    Fair for home energy
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      42°
    • Wind
      Speed
      2 mph
    more
  • Sun

    Dec 21

    41°Lo 31°

    Partly sunny

    Fair for home energy
    • Avg
      RealFeel
      38°
    • Hi
      RealFeel
      43°
    • Wind
      Speed
      5 mph
    more
  • Mon

    Dec 22

    43°Lo 35°

    A little afternoon rain

    Good for home energy
    • Avg
      RealFeel
      34°
    • Hi
      RealFeel
      36°
    • Wind
      Speed
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Clear
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Temp (°F) 34° 33° 34° 35° 32° 34° 35° 35°
RealFeel® 20° 21° 17° 23° 17° 18° 22° 22°
Humidity 54% 54% 52% 54% 63% 60% 59% 59%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 16 WNW 13 WNW 21 WNW 13 WNW 16 WNW 18 WNW 15 WNW 15 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 25% 0% 35% 75% 80% 84% 79% 100%
Dew Point 19° 18° 18° 20° 21° 21° 22° 22°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 41° 41° 64° (2006) 36°
Low 29° 25° (1919) 17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:21 AM with 9:18 of sunlight, then sets at 4:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:32 AM with 10:46 of moolight, then sets at 2:18 PM

Reading Weather Report

Philly: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 18, 2014; 11:58 AM ET

Following benign weather this weekend, a major storm will affect Philadelphia, much of the East and Midwest on Christmas Eve. 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.

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index