• Early AM

    Dec 18

    Lo 31°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Dec 18

    42°Lo 29°

    Partly sunny; windy, colder

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Dec 19

    42°Lo 27°

    Sun mixing with clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Dec 20

    39°Lo 29°

    Mostly cloudy

    Low ragweed pollen levels
    • Precip
      7%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      76%
    more
  • Sun

    Dec 21

    43°Lo 34°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      8%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      37%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Partly Cloudy
Mostly Clear
Mostly Clear
Partly Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 33° 32° 31° 32° 33° 35° 37° 39°
RealFeel® 21° 22° 21° 23° 21° 20° 23° 25°
Humidity 67% 68% 68% 64% 62% 57% 53% 50%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 13 WNW 10 WNW 10 WNW 10 WNW 13 WNW 17 WNW 20 WNW 22 WNW
UV Index 0 0 0 0 0 1 1 2
Cloud Cover 38% 28% 22% 31% 29% 27% 26% 26%
Dew Point 23° 22° 21° 21° 21° 21° 21° 22°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 42° 46° 71° (2006) 40°
Low 29° 30° (1919) 26°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:24 of sunlight, then sets at 4:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:29 AM with 10:50 of moolight, then sets at 2:19 PM

Clayton Weather Report

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

December 18, 2014; 2:06 AM 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 >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps