• Today

    Dec 18

    42°Lo 30°

    Breezy with clouds and sun

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

    Dec 19

    40°Lo 25°

    Sun mixing with clouds

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

    Dec 20

    38°Lo 27°

    Some sun, then clouds

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

    Dec 21

    41°Lo 29°

    Clouds and sun

    Very Unlikely for a snow day
    • Snow
      15%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Dec 22

    45°Lo 37°

    Cloudy with afternoon rain

    Very Unlikely for a snow day
    • Snow
      2%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Mostly cloudy 38° Lo 34° RealFeel® 40° / 34°

N

E

S

W

  • Precipitation: 9%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 53%
  • Cloud Cover: 76%
  • Dew Point: 21° F
  • Visibility: 10 mi
4 mph

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 38° 42° 65° (1895) 50°
Low 27° 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 18, 2014; 4:10 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.

Sat. Snow Day Potential