• Today

    Dec 18

    42°Lo 28°

    Colder with decreasing clouds

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      31°
  • Fri

    Dec 19

    39°Lo 24°

    Intervals of clouds and sun

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      4%
    • Hi
      RealFeel
      31°
    more
  • Sat

    Dec 20

    38°Lo 26°

    Some sun, then clouds

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      14%
    • Hi
      RealFeel
      41°
    more
  • Sun

    Dec 21

    40°Lo 30°

    Snow or flurries possible

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      30%
    • Hi
      RealFeel
      41°
    more
  • Mon

    Dec 22

    42°Lo 34°

    A little afternoon rain

    Poor for lawn mowing
    • Hours of Precip
      4.5
    • Precip
      55%
    • Hi
      RealFeel
      40°
    more
Next Previous
Hi 42° RealFeel® 31° Precipitation 2%

Day

N

E

S

W

  • WNW 16 mph
  • Gusts: 28 mph

Breezy and colder with increasing amounts of sun

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 28° RealFeel® 24° Precipitation 3%

Night

N

E

S

W

  • W 8 mph
  • Gusts: 15 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

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 7:21 AM with 9:16 of sunlight, then sets at 4:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:31 AM with 10:45 of moolight, then sets at 2:16 PM

Allentown 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 >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Thu. Overnight Freeze

Thu. Degree Days

Thu. Evapotranspiration