• Today

    Sep 20

    77°Lo 63°

    Clouds and sun

    Excellent for an outdoor bbq
    • Precip
      3%
    • Hi
      RealFeel
      75°
    • Wind
      Gust
      13 mph
    more
  • Sun

    Sep 21

    81°Lo 60°

    A morning shower

    Excellent for an outdoor bbq
    • Precip
      40%
    • Hi
      RealFeel
      85°
    • Wind
      Gust
      8 mph
  • Mon

    Sep 22

    72°Lo 47°

    Partly sunny and not as warm

    Very Good for an outdoor bbq
    • Precip
      11%
    • Hi
      RealFeel
      71°
    • Wind
      Gust
      15 mph
    more
  • Tue

    Sep 23

    73°Lo 53°

    Sunny and nice

    Excellent for an outdoor bbq
    • Precip
      1%
    • Hi
      RealFeel
      74°
    • Wind
      Gust
      9 mph
    more
  • Wed

    Sep 24

    72°Lo 52°

    Nice with plenty of sunshine

    Excellent for an outdoor bbq
    • Precip
      7%
    • Hi
      RealFeel
      74°
    • Wind
      Gust
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Mostly Cloudy
Mostly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Temp (°F) 76° 77° 79° 80° 81° 80° 78° 76°
RealFeel® 82° 83° 85° 84° 83° 79° 76° 73°
Humidity 73% 67% 63% 59% 57% 58% 62% 68%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
47%
 
36%
 
20%
 
20%
 
20%
 
20%
 
20%
 
25%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 3 SW 3 SW 4 SW 4 SW 5 SW 5 SW 5 SW 4 SW
UV Index 4 4 4 3 2 1 0 0
Cloud Cover 76% 76% 38% 45% 45% 45% 45% 45%
Dew Point 67° 66° 65° 65° 65° 64° 64° 64°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 81° 74° 96° (1895) 80°
Low 60° 54° 40° (1962) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:13 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:16 AM with 13:17 of moolight, then sets at 5:33 PM

Top Story

Princeton Weather Report

Philly: September Temperature Roller Coaster to Continue

September 20, 2014; 2:01 AM ET

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

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.

Sun. Outdoor Entertaining

Sun. Wind Maps

Sun. UV Index