• Tonight

    Jul 11

    Lo 62°

    Partly cloudy

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

    Jul 12

    87°Lo 65°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      5 mph
  • Sun

    Jul 13

    88°Lo 72°

    An afternoon thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      93°
    • Wind
      Speed
      7 mph
    more
  • Mon

    Jul 14

    88°Lo 71°

    Showers and a heavier t-storm

    Poor for home energy
    • Avg
      RealFeel
      85°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      7 mph
    more
  • Tue

    Jul 15

    86°Lo 67°

    A couple of heavy t-storms

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      6 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 66° 65° 63° 62° 63° 63° 65° 69°
RealFeel® 64° 65° 63° 62° 62° 63° 65° 70°
Humidity 83% 86% 90% 92% 92% 91% 87% 80%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 2 S 1 S 1 S 1 S 1 S 1 S 2 SSW 2 SSW
UV Index 0 0 0 0 0 0 0 2
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 61° 61° 60° 60° 60° 61° 61° 62°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Jul 12

more Historical Weather Data >
  Today Normal Record 7/12/2013
High 87° 86° 96° (1908) 77°
Low 65° 66° 54° (2002) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:39 AM with 14:50 of sunlight, then sets at 8:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:28 PM with 10:40 of moolight, then sets at 7:08 AM

Top Story

Princeton Weather Report

Philly: Severe Storm, Flooding Threat to Precede Cooldown

July 11, 2014; 5:01 PM ET

After only spotty rainfall this weekend in the Philadelphia area, the risk of severe thunderstorms and flash flooding will ramp up quickly 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