• Tonight

    Sep 21

    Lo 56°

    A shower early; partly cloudy

    Asthma Weather
    • Hi
      RealFeel
      83°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
  • Mon

    Sep 22

    68°Lo 44°

    Partly sunny; breezy, cooler

    Beneficial weather for asthma
    • Hi
      RealFeel
      67°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Tue

    Sep 23

    72°Lo 50°

    Mostly sunny and nice

    Beneficial weather for asthma
    • Hi
      RealFeel
      72°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Wed

    Sep 24

    73°Lo 50°

    Nice with plenty of sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      75°
    • UV
      5 - Moderate
    • Cloud
      Cover
      0%
    more
  • Thu

    Sep 25

    73°Lo 49°

    Mostly sunny and nice

    Beneficial weather for asthma
    • Hi
      RealFeel
      75°
    • UV
      5 - Moderate
    • Cloud
      Cover
      11%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 57° 59° 62° 60° 64° 65° 70° 73°
RealFeel® 58° 61° 63° 61° 67° 67° 71° 78°
Humidity 93% 93% 87% 93% 90% 87% 73% 66%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
4%
 
5%
 
5%
 
5%
 
5%
 
6%
 
6%
 
10%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 0 0 0 3 SE 0 0 3 N 0
UV Index 0 0 0 1 1 1 2 3
Cloud Cover 100% 100% 70% 70% 90% 90% 90% 85%
Dew Point 55° 57° 58° 58° 61° 61° 61° 61°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 82° 74° N/A 77°
Low 56° 53° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 12:13 of sunlight, then sets at 7:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:22 AM with 13:16 of moolight, then sets at 5:38 PM

Top Story

Reading Weather Report

Philly: September Temperature Roller Coaster to Continue

September 21, 2014; 4:41 AM ET

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

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index