• Early AM

    Dec 18

    Lo 29°

    Clearing

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

    Dec 18

    42°Lo 28°

    Partly sunny; windy, colder

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

    Dec 19

    39°Lo 23°

    Intervals of clouds and sun

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

    Dec 20

    39°Lo 25°

    Some sun, then clouds

    Low ragweed pollen levels
    • Precip
      13%
    • Wind
      Speed
      2 mph
    • Cloud
      Cover
      51%
    more
  • Sun

    Dec 21

    40°Lo 29°

    Snow or flurries possible

    Low ragweed pollen levels
    • Precip
      30%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      52%
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Mostly Sunny
Mostly Clear
Mostly Clear
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 40° 39° 38° 36° 34° 34° 33° 32°
RealFeel® 31° 30° 29° 27° 27° 29° 28° 27°
Humidity 49% 52% 55% 58% 61% 63% 65% 68%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
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Snow
 
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Ice
 
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  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 12 WNW 12 WNW 10 WNW 9 WNW 8 WNW 7 WNW 7 WNW 7 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 34% 44% 45% 45% 45%
Dew Point 23° 23° 23° 22° 22° 23° 23° 23°
Middle Grid line 45 F 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° 40° 62° (2006) 34°
Low 28° 23° (1945) 11°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:20 AM with 9:16 of sunlight, then sets at 4:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:30 AM with 10:45 of moolight, then sets at 2:15 PM

Bethlehem 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