• Today

    Aug 21

    86°Lo 66°

    A couple of p.m. t-storms

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

    Aug 22

    79°Lo 64°

    A few showers

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

    Aug 23

    77°Lo 59°

    Variable clouds with a shower

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

    Aug 24

    79°Lo 53°

    Times of clouds and sun

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

    Aug 25

    81°Lo 55°

    Partly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Clear
Mostly Cloudy
Partly Sunny
Cloudy
Cloudy
Cloudy
Temp (°F) 70° 68° 66° 67° 72° 72° 73° 77°
RealFeel® 70° 68° 66° 67° 72° 71° 73° 80°
Humidity 76% 81% 87% 84% 76% 76% 76% 71%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
11%
 
11%
 
11%
 
11%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 0 0 0 0 3 NNW 5 S 5 S 3 SE
UV Index 0 0 0 0 1 1 1 2
Cloud Cover 25% 25% 0% 85% 40% 100% 100% 100%
Dew Point 62° 62° 62° 62° 64° 64° 65° 67°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 86° 83° 97° (1899) 88°
Low 66° 62° 47° (1984) 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:33 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:49 AM with 14:31 of moolight, then sets at 5:20 PM

Top Story

Reading Weather Report

Philly: Showers to Retreat This Weekend

August 21, 2014; 1:12 PM ET

Following a surge of humidity and drenching showers to end the week, dry and cooler air will push southward across the Philadelphia area this weekend. 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

Thu. Snow Day Potential