• Today

    Apr 21

    70°Lo 44°

    Mostly sunny and beautiful

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

    Apr 22

    72°Lo 45°

    A t-storm in the afternoon

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

    Apr 23

    59°Lo 34°

    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

    65°Lo 39°

    Plenty of sunshine

    Moderate indoor dust & dander levels
    • Precip
      3%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      8%
    more
  • Fri

    Apr 25

    72°Lo 47°

    An afternoon shower or two

    Low indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      75%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
10pm
11pm Tue
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Clear
Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 57° 55° 52° 51° 50° 47° 45° 45°
RealFeel® 56° 54° 52° 51° 49° 47° 45° 45°
Humidity 48% 51% 55% 59% 64% 70% 75% 80%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
0%
 
0%
 
0%
 
0%
 
2%
 
2%
 
2%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 2 S 2 SW 2 S 2 SSW 2 SSW 2 SSW 2 S 2 SW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 8% 9% 10% 10% 46% 56% 70% 70%
Dew Point 37° 37° 36° 38° 38° 38° 38° 39°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 70° 65° 90° (1985) 55°
Low 44° 42° 29° (1981) 32°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:32 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:18 AM with 10:23 of moolight, then sets at 11:41 AM

Top Story

Reading 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