• Tonight

    Sep 20

    Lo 64°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Sun

    Sep 21

    81°Lo 60°

    Clouds breaking for some sun

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

    Sep 22

    71°Lo 46°

    Mostly sunny and not as warm

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

    Sep 23

    70°Lo 52°

    Sunny and nice

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      0%
    more
  • Wed

    Sep 24

    72°Lo 52°

    Nice with plenty of sunshine

    Ragweed Pollen Weather
    • Precip
      7%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      8%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Cloudy
Temp (°F) 73° 75° 76° 77° 76° 74° 71° 68°
RealFeel® 74° 74° 75° 74° 72° 69° 66° 64°
Humidity 60% 57% 55% 55% 58% 63% 70% 82%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 8 SW 9 SSW 10 SSW 10 S 10 SSW 9 S 8 S 7 S
UV Index 4 4 3 2 1 0 0 0
Cloud Cover 66% 69% 62% 74% 55% 36% 38% 64%
Dew Point 59° 59° 59° 60° 60° 60° 61° 62°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 77° 74° 94° (1895) 79°
Low 64° 55° 37° (1993) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 12:16 of sunlight, then sets at 7:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:21 AM with 13:40 of moolight, then sets at 5:01 PM

Top Story

Princeton Weather Report

Philly: September Temperature Roller Coaster to Continue

September 20, 2014; 2:01 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Philadelphia. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps