• Today

    Sep 21

    80°Lo 57°

    A thunderstorm this afternoon

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Mon

    Sep 22

    68°Lo 44°

    Partly sunny and not as warm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Sep 23

    72°Lo 50°

    Mostly sunny and nice

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

    Sep 24

    73°Lo 52°

    Nice with plenty of sunshine

    Moderate ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      0%
    more
  • Thu

    Sep 25

    73°Lo 51°

    Mostly sunny and nice

    Ragweed Pollen Weather
    • Precip
      9%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 80° RealFeel® 80° Precipitation 57%

Day

N

E

S

W

  • WSW 3 mph
  • Gusts: 10 mph

Warm with more clouds than sun; a shower or thunderstorm around this afternoon

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.11 in
  • Rain: 0.11 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 57° RealFeel® 53° Precipitation 55%

Night

N

E

S

W

  • NW 5 mph
  • Gusts: 9 mph

A shower or thunderstorm around this evening; otherwise, patchy clouds

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Reading Pollen Levels - September 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 80° 74° N/A 77°
Low 57° 53° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 12:13 of sunlight, then sets at 7:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:22 AM with 13:16 of moolight, then sets at 5:38 PM

Top Story

Reading 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