• Today

    Dec 18

    42°Lo 28°

    Colder with decreasing clouds

    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 24°

    Some sun, then clouds

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

    Dec 21

    40°Lo 29°

    Snow or flurries possible

    Low ragweed pollen levels
    • Precip
      30%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      76%
    more
  • Mon

    Dec 22

    42°Lo 34°

    A little afternoon rain

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      95%
    more
Next Previous
Partly cloudy 36° Lo 32° RealFeel® 29° / 27°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 63%
  • Cloud Cover: 43%
  • Dew Point: 23° F
  • Visibility: 10 mi
7 mph

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; 8:52 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