• Tonight

    Aug 21

    Lo 65°

    A couple of thunderstorms

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • 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
  • 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 >
  Fri
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
T-storms
Fog
Fog
Showers
Showers
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 66° 68° 71° 72° 75° 77° 78° 79°
RealFeel® 64° 69° 73° 75° 80° 85° 86° 85°
Humidity 93% 92% 87% 82% 77% 74% 72% 71%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
51%
 
47%
 
47%
 
51%
 
51%
 
47%
 
43%
 
43%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 2 E 3 ENE 3 E 3 E 4 ESE 4 ESE 5 E 6 E
UV Index 0 0 1 2 4 4 4 4
Cloud Cover 86% 90% 86% 79% 76% 76% 76% 76%
Dew Point 64° 66° 67° 67° 67° 68° 68° 69°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 22

more Historical Weather Data >
  Today Normal Record 8/22/2013
High 79° 83° 97° (1916) 83°
Low 65° 64° 50° (1982) 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:30 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:37 AM with 14:16 of moolight, then sets at 5:53 PM

Top Story

Princeton Weather Report

Philly: Showers to Retreat This Weekend

August 21, 2014; 7:12 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 >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps