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  • Today

    May 21

    Clouds giving way to some sun 84°Lo 67°
  • Wed

    May 22

    Thundershower 88°Lo 68°
    more
  • Thu

    May 23

    Showers and a heavier t-storm 82°Lo 60°
    more
  • Fri

    May 24

    Not as warm 72°Lo 51°
    more
  • Sat

    May 25

    Mostly sunny 70°Lo 50°
    more

Thunderstorms in the area Thursday morning through late Thursday night; storms can be strong, perhaps severe Details >

< Previous 8 hours Next 8 hours >
  Tue
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Partly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Mostly Cloudy
Temp (°F) 66° 69° 71° 72° 75° 77° 79° 81°
RealFeel® 65° 68° 73° 76° 81° 84° 86° 83°
Humidity 93% 89% 85% 82% 77% 72% 67% 62%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
16%
 
7%
 
7%
 
6%
 
5%
 
5%
 
8%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 3 WSW 6 SW 4 SW 5 SSW 5 SSW 6 SW 6 WSW 12 WSW
UV Index 0 1 2 3 4 5 7 5
Cloud Cover 65% 95% 95% 95% 95% 95% 52% 76%
Dew Point 64° 66° 66° 67° 67° 68° 67° 67°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 84° 75° 95° (1934) 70°
Low 67° 56° 41° (2002) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:41 AM with 14:33 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:25 PM with 11:17 of moolight, then sets at 3:42 AM

Top Story

National Park Weather Report

Severe Storms to Reach DC, NYC, Albany Thursday

May 21, 2013; 4:00 PM ET

The same storm system responsible for producing violent thunderstorms in Oklahoma recently will reach the Atlantic Seaboard Thursday. more >

6abc Philadelphia Headlines

Oklahoma tornado was top-of-the-scale EF-5

The National Weather Service says the tornado was a top-of-the-scale EF-5 twister with winds of at least 200 mph.

Box of ammunition explodes, injuring man in New Castle City, Del.

Couple charged in theft of $854K from South Whitehall Township