• Tonight

    Sep 16

    Lo 49°

    Clear

    Lawn Mowing Weather
    • Hours of Precip
      0.5
    • Precip
      50%
    • Hi
      RealFeel
      72°
  • Wed

    Sep 17

    73°Lo 51°

    Nice with plenty of sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      77°
    more
  • Thu

    Sep 18

    75°Lo 49°

    Partly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      76°
    more
  • Fri

    Sep 19

    70°Lo 51°

    Partly sunny and not as warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      70°
    more
  • Sat

    Sep 20

    74°Lo 56°

    Partly sunny and nice

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      75°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Cloudy
Cloudy
Rain
Rain
Rain
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 55° 56° 56° 57° 56° 59° 61° 64°
RealFeel® 54° 55° 54° 55° 56° 59° 63° 66°
Humidity 87% 86% 86% 87% 86% 82% 77% 72%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
24%
 
49%
 
54%
 
54%
 
51%
 
47%
 
40%
 
34%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 2 NNW 2 N 2 NNW 2 NNW 2 N 3 N 4 N 5 NNW
UV Index 0 0 0 0 0 1 2 3
Cloud Cover 63% 68% 88% 95% 91% 85% 77% 78%
Dew Point 51° 52° 52° 53° 52° 53° 54° 55°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 16

more Historical Weather Data >
  Today Normal Record 9/16/2013
High 71° 76° 93° (1991) 72°
Low 49° 56° 40° (1984) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:26 of sunlight, then sets at 7:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:43 PM with -9:-16 of moolight, then sets at 2:27 PM

Top Story

Princeton Weather Report

Philly: Remainder of Week to Be Dry, Cool

September 16, 2014; 2:01 PM ET

Rainfall will be scarce around Philadelphia this week, but cool air will be plentiful. 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

Tue. Overnight Freeze

Tue. Degree Days

Tue. Evapotranspiration