• Tonight

    Aug 21

    Lo 70°

    A heavy evening thunderstorm

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Fri

    Aug 22

    80°Lo 68°

    A passing shower or two

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

    Aug 23

    77°Lo 63°

    Variable clouds with a shower

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

    Aug 24

    79°Lo 61°

    Times of clouds and sun

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

    Aug 25

    80°Lo 62°

    Partly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 82° RealFeel® 87° Precipitation 55%

Day

N

E

S

W

  • SSW 4 mph
  • Gusts: 8 mph

Mainly cloudy and humid; a shower or thunderstorm around this afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.06 in
  • Rain: 0.06 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 70° RealFeel® 69° Precipitation 59%

Night

N

E

S

W

  • SE 4 mph
  • Gusts: 8 mph

An evening shower or heavy thunderstorm; patchy fog late with a brief shower or two

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

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: Showers to Retreat This Weekend

August 21, 2014; 5:12 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