• Today

    Feb 11

    27°Lo 12°

    Partly sunny; breezy, colder

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Feb 12

    27°Lo 17°

    Turning cloudy and cold

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Feb 13

    20°Lo 3°

    Variable clouds with a flurry

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sun

    Feb 14

    18°Lo 6°

    Sunny and bitterly cold

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Feb 15

    29°Lo 23°

    Cloudy and not as cold

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Flurries
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 18° 18° 18° 17° 16° 16° 15° 14°
RealFeel® -1° -2° -2° -2° -3° -5° -6°
Humidity 43% 40% 37% 36% 36% 35% 36% 38%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
29%
 
37%
 
40%
 
37%
 
25%
 
25%
 
25%
 
25%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 15 WNW 18 WNW 20 WNW 20 WNW 18 WNW 18 WNW 18 WNW 17 WNW
UV Index 1 1 2 2 2 1 1 0
Cloud Cover 85% 81% 77% 74% 72% 72% 75% 81%
Dew Point -1° -3° -4° -6° -7° -7° -7° -8°
Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F

Temperature History - Feb 13

more Historical Weather Data >
  Today Normal Record 2/13/2015
High 20° 42° 64° (1951) 21°
Low 26° -1° (1914)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:55 AM with 10:36 of sunlight, then sets at 5:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:00 AM with 13:38 of moolight, then sets at 11:38 PM

Princeton Weather Report

Philadelphia: Polar vortex to smack region during Valentine's Day weekend

February 11, 2016; 8:38 AM ET

The coldest air of the winter and perhaps during all of last winter will plunge across the Philadelphia area during Valentine's Day weekend. more >

Sat. Dust & Dander

Sat. Wind Maps