• Early AM

    Dec 20

    Lo 24°

    Partly to mostly cloudy

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

    Dec 20

    37°Lo 26°

    Clouds and breaks of sun

    Very Unlikely for a snow day
    • Snow
      5%
    • Ice
      0%
    • Snow
      0 in
  • Sun

    Dec 21

    41°Lo 27°

    Partly sunny

    Very Unlikely for a snow day
    • Snow
      7%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Dec 22

    43°Lo 38°

    Turning cloudy

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

    Dec 23

    51°Lo 46°

    Cloudy with a touch of rain

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 26° 29° 32° 34° 35° 36° 37° 37°
RealFeel® 25° 29° 34° 37° 39° 40° 39° 38°
Humidity 71% 64% 58% 55% 53% 51% 50% 52%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
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%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 4 N 4 N 4 NNE 4 NNE 4 NNE 2 NNE 2 NNE 2 N
UV Index 0 0 1 1 1 1 1 0
Cloud Cover 70% 70% 70% 70% 70% 76% 76% 78%
Dew Point 18° 18° 19° 20° 20° 20° 20° 20°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 37° 42° 65° (1895) 50°
Low 26° 26° -1° (1942) 31°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:18 of sunlight, then sets at 4:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:31 AM with 10:14 of moolight, then sets at 3:45 PM

Princeton Weather Report

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

December 19, 2014; 2:10 PM ET

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

Sat. Snow Day Potential