• Today

    May 18

    77°Lo 49°

    A strong afternoon t-storm

    Good for running
    • Precip
      55%
    • Hours of Precip
      4
    • Wind
      Gust
      12 mph

  • Sun

    May 19

    68°Lo 46°

    A couple of thunderstorms

    Fair for running
    • Precip
      60%
    • Hours of Precip
      2
    • Wind
      Gust
      19 mph
    more

  • Mon

    May 20

    58°Lo 42°

    Windy and cooler with rain

    Poor for running
    • Precip
      65%
    • Hours of Precip
      5.5
    • Wind
      Gust
      25 mph
    more

  • Tue

    May 21

    57°Lo 37°

    A shower possible

    Good for running
    • Precip
      30%
    • Hours of Precip
      0
    • Wind
      Gust
      20 mph
    more

  • Wed

    May 22

    67°Lo 41°

    Partly sunny and warmer

    Excellent for running
    • Precip
      10%
    • Hours of Precip
      0
    • Wind
      Gust
      16 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8am		 9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 63° 64° 70° 69° 73° 73° 73° 76°
RealFeel® 63° 64° 69° 70° 76° 77° 77° 78°
Humidity 97% 90% 76% 75% 63% 66% 66% 51%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
5%
 
5%
 
6%
 
7%
 
7%
 
11%
 
17%
 
17%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 3 E 4 ENE 6 SE 5 SW 4 N 8 NNW 8 NNE 8 NNE
UV Index 0 1 1 3 3 6 6 6
Cloud Cover 100% 100% 100% 95% 95% 90% 90% 87%
Dew Point 62° 61° 62° 61° 60° 61° 61° 57°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - May 18

more Historical Weather Data >
  Today Normal Record 5/18/2012
High 77° 70° 95° (1934) 88°
Low 49° 43° 27° (1946) 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:28 AM with 14:40 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:07 PM with 12:50 of moolight, then sets at 1:57 AM

Breaking Weather: Light Rain Returns to Philadelphia and New

May 18, 2013; 4:06 PM ET A stalled boundary is beginning to lift northward into the Northeast and will produce more showers into tonight.