• Early AM

    Jul 30

    Lo 74°

    Partly cloudy

    Asthma Weather
    • Hi
      RealFeel
      99°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Today

    Jul 30

    87°Lo 67°

    A heavy t-storm in the p.m.

    At High Risk weather for asthma
    • Hi
      RealFeel
      98°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Fri

    Jul 31

    89°Lo 66°

    Less humid with plenty of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Air Qual.
      Good
  • Sat

    Aug 1

    89°Lo 65°

    Warm with sun, some clouds

    Neutral weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Sun

    Aug 2

    88°Lo 68°

    Mostly sunny and very warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Temp (°F) 72° 71° 70° 68° 67° 70° 72° 76°
RealFeel® 73° 71° 69° 68° 66° 70° 73° 79°
Humidity 84% 80% 80% 84% 85% 83% 75% 65%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
20%
 
20%
 
20%
 
20%
 
20%
 
13%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 5 W 5 W 5 WNW 5 WNW 5 WNW 6 WNW 6 W 6 WNW
UV Index 0 0 0 0 0 0 1 3
Cloud Cover 26% 26% 26% 26% 26% 26% 0% 0%
Dew Point 67° 65° 63° 63° 62° 65° 63° 63°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 89° 85° 99° (1954) 84°
Low 66° 66° 56° (2001) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:54 AM with 14:22 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:30 PM with 10:38 of moolight, then sets at 6:08 AM

Princeton Weather Report

Philadelphia: Heat to Linger, Humidity to Ease This Weekend

July 29, 2015; 6:08 PM ET

Following the steam bath of this week, the weather around Philadelphia will not be in a hurry to cool down. 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.

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index