• Today

    Dec 21

    40°Lo 26°

    Mostly cloudy

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

    Dec 22

    41°Lo 36°

    Cloudy, afternoon mist

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

    Dec 23

    50°Lo 46°

    Mostly cloudy with mist

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

    Dec 24

    60°Lo 50°

    Breezy and mild with rain

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

    Dec 25

    53°Lo 34°

    Clouds breaking and windy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 40° RealFeel® 37° Precipitation 11%

Day

N

E

S

W

  • NNW 5 mph
  • Gusts: 12 mph

Mostly cloudy

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 26° RealFeel® 26° Precipitation 1%

Night

N

E

S

W

  • NE 2 mph
  • Gusts: 5 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 40° 41° 68° (1895) 64°
Low 26° 26° -2° (1942) 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

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

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:31 AM with 10:09 of moolight, then sets at 4:40 PM

Princeton Weather Report

Philly: Christmas Eve Storm to Affect Holiday Travel This Week

December 21, 2014; 1:18 PM ET

Holiday travel will be at risk across the Philadelphia area this week as a strong storm takes shape and blasts through the Northeast. 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

Sun. Snow Day Potential