• Today

    Apr 18

    79°Lo 46°

    Mostly sunny and warmer

    Poor for home energy
    • Avg
      RealFeel
      61°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      7 mph
  • Sun

    Apr 19

    61°Lo 46°

    Cooler

    Poor for home energy
    • Avg
      RealFeel
      47°
    • Hi
      RealFeel
      62°
    • Wind
      Speed
      12 mph
    more
  • Mon

    Apr 20

    65°Lo 53°

    Morning rain, some heavy

    Poor for home energy
    • Avg
      RealFeel
      56°
    • Hi
      RealFeel
      64°
    • Wind
      Speed
      9 mph
    more
  • Tue

    Apr 21

    65°Lo 42°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      51°
    • Hi
      RealFeel
      65°
    • Wind
      Speed
      14 mph
    more
  • Wed

    Apr 22

    64°Lo 42°

    Breezy with increasing clouds

    Poor for home energy
    • Avg
      RealFeel
      50°
    • Hi
      RealFeel
      63°
    • Wind
      Speed
      15 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 79° 78° 77° 74° 70° 65° 62° 60°
RealFeel® 79° 77° 75° 71° 67° 63° 60° 57°
Humidity 25% 25% 27% 29% 33% 37% 41% 42%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
0%
 
0%
 
0%
 
0%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
0%
 
0%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 10 W 12 W 10 WNW 8 WNW 7 W 7 NW 8 NNW 9 N
UV Index 4 2 1 0 0 0 0 0
Cloud Cover 15% 12% 11% 11% 10% 10% 10% 10%
Dew Point 40° 40° 40° 40° 40° 39° 38° 37°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2014
High 79° 62° 93° (1976) 52°
Low 46° 42° 30° (1928) 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:24 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:15 AM with 13:31 of moolight, then sets at 7:46 PM

Princeton Weather Report

Philly: Rainy, Stormy Monday to Follow Sun-Filled Weekend

April 18, 2015; 4:30 AM ET

Following a weekend filled with sunshine, a storm will send windswept rain into the Philadelphia area by Monday. 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