• Today

    Apr 21

    65°Lo 39°

    Partly sunny and breezy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Apr 22

    62°Lo 36°

    Afternoon t-showers; colder

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Apr 23

    54°Lo 33°

    Cooler with some sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Fri

    Apr 24

    54°Lo 35°

    Breezy with sun and clouds

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Apr 25

    59°Lo 35°

    Times of clouds and sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 54° RealFeel® 48° Precipitation 25%

Day

N

E

S

W

  • W 16 mph
  • Gusts: 29 mph

Breezy and cooler with times of clouds and sun

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 6%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 33° RealFeel® 25° Precipitation 12%

Night

N

E

S

W

  • WNW 9 mph
  • Gusts: 18 mph

Partly cloudy and cold

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 23

more Historical Weather Data >
  Today Normal Record 4/23/2014
High 54° 64° 89° (1960) 57°
Low 33° 41° 28° (1945) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 13:37 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:14 AM with 14:37 of moolight, then sets at 12:51 AM

Allentown Weather Report

Philadelphia: Cooler Air to Sweep Away Warmth This Week

April 21, 2015; 6:04 AM ET

Cooler air will push into the Philadelphia area during the middle and latter part of the week. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

Thu. Snow Day Potential