• Early AM

    Apr 18

    Lo 36°

    Mostly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Today

    Apr 18

    54°Lo 40°

    Cool with variable cloudiness

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sat

    Apr 19

    67°Lo 42°

    Partly sunny and warmer

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Apr 20

    62°Lo 42°

    Sunshine and patchy clouds

    Low indoor dust & dander levels
    • Precip
      3%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      25%
    more
  • Mon

    Apr 21

    66°Lo 46°

    Partly sunny

    Low indoor dust & dander levels
    • Precip
      10%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      45%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 42° 44° 46° 49° 50° 52° 53° 54°
RealFeel® 38° 40° 45° 50° 51° 53° 54° 54°
Humidity 75% 69% 63% 59% 56% 54% 53% 54%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 7 NE 7 NE 7 NE 7 ENE 7 ENE 7 E 6 E 6 ESE
UV Index 1 2 2 3 3 3 3 2
Cloud Cover 90% 90% 90% 90% 90% 90% 90% 90%
Dew Point 35° 34° 35° 36° 35° 36° 36° 38°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 54° 67° 94° (1986) 65°
Low 40° 45° 28° (1928) 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 13:18 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:24 PM with 10:19 of moolight, then sets at 8:43 AM

Top Story

Hartly Weather Report

Philly: Milder Weather to Come Easter Weekend

April 17, 2014; 8:50 PM 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. Pollen

Fri. Dust & Dander

Fri. Wind Maps