• Today

    Sep 21

    81°Lo 58°

    Mostly cloudy and warm

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Sep 22

    68°Lo 45°

    Mostly sunny; breezy, cooler

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Sep 23

    71°Lo 50°

    Sunny and nice

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 24

    72°Lo 54°

    Nice with plenty of sunshine

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      1%
    more
  • Thu

    Sep 25

    73°Lo 52°

    Partly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      7%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Cloudy 77° RealFeel® 79°

N

E

S

W

  • Humidity: 63%
  • Pressure: 29.65 in ↓
  • UV Index: 1
  • Cloud Cover: 100%
  • Ceiling: 28700 ft
  • Dew Point: 64° F
  • Visibility: 10 mi
4 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:13 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:16 AM with 13:17 of moolight, then sets at 5:33 PM

Temperature Summary - 4:24 PM

  Temp (°F)
Now 77°
Yesterday 78°
RealFeel® 79°
RealFeel® Shade 77°
Wind Chill 77°
Dew Point 64°
  Hi / Lo
Previous 6 Hours 78°
  68°
Previous 12 Hours 78°
  64°
Previous 24 Hours 78°
  64°

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 81° 74° 96° (1895) 80°
Low 58° 54° 40° (1962) 51°

Precipitation Summary - 4:24 PM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0
Previous 24 Hours 0
Top Story

Princeton Weather Report

Philly: September Temperature Roller Coaster to Continue

September 21, 2014; 4:41 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Philadelphia. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps