• Early AM

    Aug 20

    Lo 62°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Aug 20

    84°Lo 63°

    Partly sunny and humid

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

    Aug 21

    81°Lo 65°

    A couple of thunderstorms

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

    Aug 22

    78°Lo 62°

    Mostly cloudy with a shower

    Low ragweed pollen levels
    • Precip
      40%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      76%
    more
  • Sat

    Aug 23

    77°Lo 61°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      69%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
T-storms
Partly Cloudy
Temp (°F) 64° 63° 64° 67° 70° 72° 74° 78°
RealFeel® 64° 63° 64° 66° 71° 75° 79° 85°
Humidity 90% 93% 93% 88% 81% 75% 73% 66%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
7%
 
7%
 
11%
 
19%
 
19%
 
24%
 
60%
 
49%
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) 2 E 2 E 2 E 3 E 3 E 3 ESE 4 ESE 4 ESE
UV Index 0 0 0 1 1 3 4 5
Cloud Cover 95% 95% 95% 90% 87% 82% 77% 72%
Dew Point 61° 61° 62° 63° 64° 64° 65° 66°
Middle Grid line 80 F 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 81° 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: Downpour, Flooding Risk to Increase Thursday

August 19, 2014; 11:13 AM ET

A wedge of dry air will slowly erode at midweek and will allow showers and thunderstorms to survive the trip into Philadelphia from the Midwest. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps