• Early AM

    Dec 18

    Lo 31°

    Partly to mostly cloudy

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Today

    Dec 18

    42°Lo 30°

    Partly sunny and windy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Fri

    Dec 19

    41°Lo 25°

    Sun mixing with clouds

    Very Unlikely for a snow day
    • Snow
      2%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Dec 20

    39°Lo 27°

    Some sun, then clouds

    Very Unlikely for a snow day
    • Snow
      10%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Dec 21

    41°Lo 32°

    Clouds and sun

    Very Unlikely for a snow day
    • Snow
      16%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
7pm
8pm 9pm 10pm 11pm Fri
12am
1am 2am
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Forecast
Mostly Clear
Mostly Clear
Partly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Temp (°F) 36° 35° 35° 34° 33° 33° 33° 32°
RealFeel® 28° 28° 31° 30° 29° 29° 29° 28°
Humidity 60% 63% 65% 67% 68% 69% 69% 70%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 9 NW 8 NW 6 NW 6 WNW 6 WNW 6 WNW 6 NW 6 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 13% 25% 40% 53% 57% 56% 53% 48%
Dew Point 23° 24° 24° 24° 24° 24° 24° 23°
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 42° 42° 66° (2006) 37°
Low 30° 27° -1° (1919) 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:16 AM with 9:18 of sunlight, then sets at 4:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:27 AM with 10:46 of moolight, then sets at 2:13 PM

Princeton Weather Report

Philly: Spotty Wintry Weather This Weekend to be Paled by Major Storm Next Week

December 18, 2014; 2:06 AM ET

After a weak storm brings spotty light snow and rain to the region this weekend, a storm will threaten major travel disruptions around Philadelphia before Christmas. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Thu. Snow Day Potential