• Today

    Sep 18

    75°Lo 47°

    Clouds yielding to sun

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

    Sep 19

    70°Lo 53°

    Fog in the a.m.; partly sunny

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

    Sep 20

    78°Lo 60°

    Clearing

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

    Sep 21

    82°Lo 58°

    Very warm with some sun

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      44%
    more
  • Mon

    Sep 22

    73°Lo 49°

    Not as warm

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 75° RealFeel® 76° Precipitation 2%

Day

N

E

S

W

  • WNW 4 mph
  • Gusts: 7 mph

Increasing amounts of sun; nice this afternoon

  • Max UV Index: 5 (Moderate)
  • 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 47° RealFeel® 46° Precipitation 9%

Night

N

E

S

W

  • NNE 3 mph
  • Gusts: 5 mph

Mainly clear and cool; areas of fog late

  • 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

Reading Pollen Levels - September 18

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

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 75° 75° 91° (1965) 71°
Low 47° 54° 39° (1990) 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 12:21 of sunlight, then sets at 7:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:37 AM with 14:20 of moolight, then sets at 3:57 PM

Top Story

Reading Weather Report

Philly: Remainder of Week to Be Dry, Cool

September 18, 2014; 7:19 AM ET

Rainfall will be scarce around Philadelphia this week, but cool air will be plentiful. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps