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  • Today

    Sep 21

    Sun and clouds 82°Lo 61°
  • Mon

    Sep 22

    Mostly sunny and not as warm 73°Lo 48°
    more
  • Tue

    Sep 23

    Mostly sunny and pleasant 70°Lo 53°
    more
  • Wed

    Sep 24

    Plenty of sunshine 75°Lo 57°
    more
  • Thu

    Sep 25

    Times of clouds and sun 74°Lo 56°
    more
< Previous 8 hours Next 8 hours >
  Sun
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 66° 66° 66° 67° 70° 72° 75° 77°
RealFeel® 65° 64° 64° 66° 70° 75° 80° 84°
Humidity 93% 93% 93% 92% 86% 80% 74% 69%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
5%
 
5%
 
4%
 
2%
 
2%
 
2%
 
2%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 3 ESE 3 ENE 3 ENE 3 NE 3 NE 3 NE 4 NNE 4 N
UV Index 0 0 0 0 1 2 3 4
Cloud Cover 81% 86% 81% 83% 75% 69% 64% 57%
Dew Point 64° 64° 64° 65° 65° 65° 66° 66°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 82° 75° N/A 81°
Low 61° 53° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:46 AM with 12:13 of sunlight, then sets at 6:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:19 AM with 13:14 of moolight, then sets at 5:33 PM

Top Story

Williamstown Weather Report

Philly: September Temperature Roller Coaster to Continue

September 21, 2014; 4:41 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Philadelphia. more >

6abc Philadelphia Headlines

5 killed, including kids, in northeastern Pennsylvania car crash

Authorities say five people, including children, have died in a multi-vehicle crash in northeastern Pennsylvania.

Adult, 2 children attacked by pit bull in West Oak Lane

Tense hunt for Pa. trooper ambush suspect hits 8 days