• Today

    Apr 20

    60°Lo 35°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      61°
    • UV
      7 - High
    • Air Qual.
      Good
  • Mon

    Apr 21

    67°Lo 43°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      74°
    • UV
      7 - High
    • Air Qual.
      Good
    more
  • Tue

    Apr 22

    70°Lo 47°

    Showers late in the afternoon

    Neutral weather for asthma
    • Hi
      RealFeel
      70°
    • UV
      6 - High
    • Air Qual.
      Moderate
    more
  • Wed

    Apr 23

    59°Lo 36°

    Partly sunny; breezy, cooler

    Beneficial weather for asthma
    • Hi
      RealFeel
      56°
    • UV
      7 - High
    • Cloud
      Cover
      29%
    more
  • Thu

    Apr 24

    64°Lo 47°

    Sunny and breezy

    Beneficial weather for asthma
    • Hi
      RealFeel
      64°
    • UV
      7 - High
    • Cloud
      Cover
      5%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Mostly Sunny
Temp (°F) 46° 45° 44° 43° 46° 49° 51° 54°
RealFeel® 40° 39° 37° 36° 40° 45° 48° 54°
Humidity 53% 56% 68% 69% 68% 60% 51% 38%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
1%
 
1%
 
1%
 
1%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 7 NE 7 NE 8 ENE 8 ENE 9 ENE 9 E 10 ESE 10 E
UV Index 0 0 0 0 1 2 4 5
Cloud Cover 71% 70% 72% 59% 54% 37% 34% 29%
Dew Point 29° 30° 34° 34° 36° 36° 33° 29°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 60° 63° 91° (1941) 57°
Low 35° 42° 27° (1926) 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 13:30 of sunlight, then sets at 7:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:20 AM with 10:10 of moolight, then sets at 10:30 AM

Top Story

Princeton Weather Report

Philly: Temperatures to Stay on a Roller Coaster Ride

April 20, 2014; 3:01 PM ET

Temperatures will remain on the spring roller coaster ride this week in Philadelphia. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index