• Early AM

    Apr 21

    Lo 33°

    Clear

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Today

    Apr 21

    70°Lo 45°

    Mostly sunny and pleasant

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

    Apr 22

    72°Lo 42°

    An afternoon thunderstorm

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

    Apr 23

    59°Lo 33°

    Partly sunny; breezy, cooler

    Moderate indoor dust & dander levels
    • Precip
      6%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      30%
    more
  • Thu

    Apr 24

    64°Lo 44°

    Plenty of sunshine

    Moderate indoor dust & dander levels
    • Precip
      6%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      8%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Clear
Clear
Clear
Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 43° 39° 35° 34° 33° 39° 43° 48°
RealFeel® 45° 42° 38° 38° 36° 42° 47° 54°
Humidity 51% 57% 67% 72% 75% 73% 61% 53%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 0 0 0 0 0 0 1 NNE 1 NE
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 3% 3% 6% 8% 10% 10% 10% 10%
Dew Point 26° 25° 25° 26° 26° 31° 31° 31°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 70° 65° 90° (1985) 55°
Low 45° 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 20, 2014; 8:51 PM 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