• Tonight

    Aug 21

    Lo 65°

    A couple of thunderstorms

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Aug 22

    79°Lo 65°

    A brief shower or two

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 23

    75°Lo 59°

    More clouds than sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Aug 24

    78°Lo 57°

    Times of clouds and sun

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
  • Mon

    Aug 25

    80°Lo 57°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      4%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Cloudy
Cloudy
Mostly Cloudy
Partly Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 68° 67° 66° 65° 65° 66° 68° 71°
RealFeel® 65° 64° 64° 63° 63° 63° 68° 73°
Humidity 78% 78% 78% 82% 84% 84% 83% 77%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
11%
 
11%
 
11%
 
11%
 
11%
 
11%
 
11%
 
11%
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) 3 SE 2 WSW 1 WSW 1 SSW 2 N 2 N 1 N 1 SW
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 90% 91% 82% 41% 50% 59% 66% 60%
Dew Point 60° 60° 60° 60° 60° 61° 63° 63°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 83° 83° 96° (1955) 88°
Low 65° 64° 49° (2000) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:15 AM with 13:33 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:43 AM with 14:32 of moolight, then sets at 5:15 PM

Top Story

Princeton Weather Report

Philly: Showers to Retreat This Weekend

August 21, 2014; 8:12 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 >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps