• Early AM

    Apr 21

    Lo 53°

    Areas of fog

    Asthma Weather
    • Hi
      RealFeel
      72°
    • UV
      3 - Moderate
    • Air Qual.
      Good
    more
  • Today

    Apr 21

    68°Lo 40°

    Partly sunny and breezy

    Beneficial weather for asthma
    • Hi
      RealFeel
      69°
    • UV
      7 - High
    • Air Qual.
      Moderate
  • Wed

    Apr 22

    63°Lo 39°

    Mostly cloudy, p.m. showers

    Neutral weather for asthma
    • Hi
      RealFeel
      62°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Thu

    Apr 23

    55°Lo 34°

    Partly sunny and cooler

    Beneficial weather for asthma
    • Hi
      RealFeel
      51°
    • UV
      6 - High
    • Cloud
      Cover
      51%
    more
  • Fri

    Apr 24

    55°Lo 36°

    Breezy with periods of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      50°
    • UV
      6 - High
    • Cloud
      Cover
      46%
    more
Next Previous
Hi 68° RealFeel® 69° Precipitation 25%

Day

N

E

S

W

  • W 15 mph
  • Gusts: 25 mph

Partly sunny and breezy

  • Max UV Index: 7 (High)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 40° RealFeel® 29° Precipitation 17%

Night

N

E

S

W

  • WSW 14 mph
  • Gusts: 23 mph

Mainly clear, breezy and cooler

  • Max UV Index: N/A
  • Thunderstorms: 6%
  • 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 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 68° 65° 90° (1985) 69°
Low 40° 42° 29° (1981) 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:32 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:32 AM with 14:36 of moolight, then sets at 11:08 PM

Reading Weather Report

Philly: Cooler Air to Sweep Away Warmth This Week

April 21, 2015; 2:04 AM ET

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

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Tue. Air Quality

Tue. Asthma Risk

Tue. UV Index