• Today

    Apr 18

    54°Lo 40°

    Clouds giving way to some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      60°
    • UV
      5 - Moderate
    • Air Qual.
      Good
  • Sat

    Apr 19

    66°Lo 37°

    Turning sunny and warmer

    Beneficial weather for asthma
    • Hi
      RealFeel
      67°
    • UV
      6 - High
    • Air Qual.
      Good
    more
  • Sun

    Apr 20

    60°Lo 37°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      65°
    • UV
      7 - High
    • Air Qual.
      Good
    more
  • Mon

    Apr 21

    68°Lo 44°

    Sun and areas of high clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      72°
    • UV
      6 - High
    • Cloud
      Cover
      51%
    more
  • Tue

    Apr 22

    69°Lo 48°

    Rather cloudy with a shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      67°
    • UV
      5 - Moderate
    • Cloud
      Cover
      78%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 40° 44° 47° 48° 50° 53° 54° 54°
RealFeel® 41° 48° 54° 56° 59° 60° 58° 56°
Humidity 62% 53% 48% 44% 41% 39% 37% 37%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
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Snow
 
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Ice
 
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 5 ESE 4 ESE 4 ESE 4 ESE 4 ESE 4 SE 4 SE 4 SSE
UV Index 2 3 4 4 5 4 3 2
Cloud Cover 97% 97% 96% 96% 71% 71% 70% 70%
Dew Point 28° 28° 28° 27° 28° 29° 28° 28°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 54° 62° 93° (1976) 61°
Low 40° 42° 30° (1928) 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:24 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:24 PM with 10:07 of moolight, then sets at 9:31 AM

Top Story

Princeton Weather Report

Philly: Milder Weather to Come Easter Weekend

April 18, 2014; 4:20 AM ET

The return of milder air to Philadelphia will coincide with this coming Easter weekend. more >

Is it a Cold or the Flu?

Apr 7, 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?

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index