• Tonight

    Dec 17

    Lo 31°

    Clear; breezy late

    Asthma Weather
    • Hi
      RealFeel
      47°
    • UV
      2 - Low
    • Air Qual.
      Good
  • Thu

    Dec 18

    43°Lo 31°

    Partly sunny; windy, colder

    Beneficial weather for asthma
    • Hi
      RealFeel
      29°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Fri

    Dec 19

    43°Lo 27°

    Sun mixing with clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      35°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Sat

    Dec 20

    38°Lo 31°

    Mostly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      38°
    • UV
      1 - Low
    • Cloud
      Cover
      85%
    more
  • Sun

    Dec 21

    44°Lo 33°

    Clouds yielding to some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      44°
    • UV
      1 - Low
    • Cloud
      Cover
      60%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
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Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Temp (°F) 40° 40° 38° 37° 37° 36° 35° 34°
RealFeel® 35° 32° 30° 27° 25° 22° 21° 21°
Humidity 59% 61% 64% 64% 65% 65% 65% 66%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
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Snow
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 7 W 9 W 10 W 12 WNW 13 WNW 15 W 16 W 15 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 3% 3% 2% 1% 1% 0% 0% 0%
Dew Point 27° 27° 27° 26° 26° 25° 24° 24°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Dec 17

more Historical Weather Data >
  Today Normal Record 12/17/2013
High 54° 47° 67° (1971) 40°
Low 31° 30° (1910) 31°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:15 AM with 9:26 of sunlight, then sets at 4:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:28 AM with 11:13 of moolight, then sets at 1:41 PM

Mayfair Weather Report

Philly: Spotty Wintry Weather This Weekend to be Paled by Major Storm Next Week

December 17, 2014; 4:06 PM ET

After a weak storm brings spotty light snow and rain to the region this weekend, a storm will threaten major travel disruptions around Philadelphia before Christmas. 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.

Wed. Air Quality

Wed. Asthma Risk

Wed. UV Index