• Early AM

    Apr 21

    Lo 53°

    Areas of fog

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Today

    Apr 21

    68°Lo 40°

    Partly sunny and breezy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Wed

    Apr 22

    63°Lo 39°

    A few afternoon showers

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Apr 23

    55°Lo 34°

    Partly sunny and cooler

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Apr 24

    55°Lo 36°

    Breezy with periods of sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Fog
Fog
Fog
Mostly Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 55° 54° 53° 55° 57° 60° 62° 64°
RealFeel® 46° 45° 44° 49° 54° 60° 63° 65°
Humidity 75% 75% 76% 70% 59% 47% 41% 37%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
20%
 
20%
 
13%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 18 W 17 NW 16 W 15 W 15 W 13 W 15 W 15 W
UV Index 0 0 0 1 2 4 5 6
Cloud Cover 71% 64% 46% 10% 7% 17% 25% 22%
Dew Point 47° 46° 46° 45° 43° 40° 38° 37°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 68° 65° 90° (1985) 69°
Low 40° 42° 29° (1981) 35°

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 8:32 AM with 14:36 of moolight, then sets at 11:08 PM

Reading Weather Report

Philly: Cooler Air to Sweep Away Warmth This Week

April 21, 2015; 12:04 AM ET

Cooler air will push into the Philadelphia area during the middle and latter part of the week. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Tue. Snow Day Potential