• Tonight

    Sep 20

    Lo 64°

    Mostly cloudy

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      75°
  • Sun

    Sep 21

    81°Lo 60°

    Clouds breaking for some sun

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      40%
    • Hi
      RealFeel
      86°
    more
  • Mon

    Sep 22

    71°Lo 46°

    Mostly sunny and not as warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      11%
    • Hi
      RealFeel
      69°
    more
  • Tue

    Sep 23

    70°Lo 52°

    Sunny and nice

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      70°
    more
  • Wed

    Sep 24

    72°Lo 52°

    Nice with plenty of sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      73°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Partly Cloudy
Partly Cloudy
Cloudy
Mostly Cloudy
Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Temp (°F) 55° 55° 54° 55° 55° 57° 57° 61°
RealFeel® 54° 54° 53° 54° 54° 54° 56° 62°
Humidity 93% 92% 94% 93% 95% 93% 90% 83%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
5%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 4 SW 3 WSW 3 ENE 3 NE 3 NNW 5 NNW 3 S 3 ESE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 48% 46% 63% 82% 69% 73% 49% 49%
Dew Point 53° 53° 52° 53° 54° 55° 54° 56°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 77° 74° 94° (1895) 79°
Low 64° 55° 37° (1993) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 12:16 of sunlight, then sets at 7:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:21 AM with 13:40 of moolight, then sets at 5:01 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 >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Sat. Overnight Freeze

Sat. Degree Days

Sat. Evapotranspiration