• Today

    Aug 20

    85°Lo 68°

    Humid with clouds and sun

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

    Aug 21

    82°Lo 70°

    A couple of thunderstorms

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

    Aug 22

    78°Lo 68°

    A passing shower or two

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

    Aug 23

    78°Lo 66°

    Variable cloudiness

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      70%
    more
  • Sun

    Aug 24

    78°Lo 64°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      14%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      69%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
T-storms
Partly Cloudy
Partly Cloudy
Partly Cloudy
T-storms
Partly Cloudy
Partly Cloudy
T-storms
Temp (°F) 71° 74° 76° 78° 74° 78° 79° 77°
RealFeel® 72° 77° 82° 85° 82° 85° 84° 81°
Humidity 82% 74% 68% 64% 82% 71% 66% 79%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
51%
 
47%
 
43%
 
47%
 
51%
 
47%
 
48%
 
52%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 SSE 4 SSE 4 SSE 4 S 5 S 6 S 6 S 7 S
UV Index 2 3 4 5 5 5 4 3
Cloud Cover 82% 73% 65% 60% 70% 65% 73% 82%
Dew Point 65° 65° 65° 65° 69° 68° 67° 70°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 82° 85° 96° (1916) 89°
Low 70° 68° 54° (1949) 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:18 AM with 13:31 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:46 AM with 14:30 of moolight, then sets at 5:16 PM

Top Story

Philadelphia Weather Report

Philly: Downpour, Flooding Risk to Increase Thursday

August 20, 2014; 9:12 AM ET

A wedge of dry air will slowly erode at midweek and will allow drenching showers and thunderstorms to survive the trip into Philadelphia from the Midwest. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps