• Today

    Aug 20

    84°Lo 64°

    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°

    Couple of showers, t-storms

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

    Aug 22

    76°Lo 64°

    A passing shower or two

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

    Aug 23

    76°Lo 61°

    Times of clouds and sun

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    77°Lo 58°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      69%
    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
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Temp (°F) 64° 65° 65° 66° 68° 71° 73° 76°
RealFeel® 63° 64° 62° 63° 67° 71° 76° 80°
Humidity 86% 84% 85% 84% 81% 76% 71% 66%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
35%
 
19%
 
19%
 
24%
 
33%
 
33%
 
33%
 
33%
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) 2 ENE 1 ESE 2 SE 2 SE 2 SE 2 SE 3 SSE 3 SSE
UV Index 0 0 0 0 0 1 3 4
Cloud Cover 91% 90% 90% 91% 90% 85% 78% 72%
Dew Point 60° 60° 60° 61° 62° 63° 63° 63°
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

August 20, 2014; 12:02 PM ET

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

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps