• Today

    Apr 21

    70°Lo 45°

    Sunny and warmer

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Tue

    Apr 22

    69°Lo 44°

    An afternoon thunderstorm

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Wed

    Apr 23

    60°Lo 36°

    Partly sunny; windy, cooler

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Thu

    Apr 24

    64°Lo 44°

    Sunny and breezy

    High indoor dust & dander levels
    • Precip
      1%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      8%
    more
  • Fri

    Apr 25

    72°Lo 50°

    An afternoon shower

    Low indoor dust & dander levels
    • Precip
      40%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      71%
    more
Next Previous
Warmer 70° Lo 65° RealFeel® 75° / 62°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 22%
  • Cloud Cover: 7%
  • Dew Point: 27° F
  • Visibility: 10 mi
4 mph

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 70° 63° 87° (1985) 55°
Low 45° 43° 30° (1925) 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 13:32 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:12 AM with 10:23 of moolight, then sets at 11:35 AM

Top Story

Princeton Weather Report

Philly: Temperatures to Stay on a Roller Coaster Ride

April 21, 2014; 4:51 AM ET

Temperatures will remain on the spring roller coaster ride this week in Philadelphia. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps