• Tonight

    Jul 30

    Lo 67°

    A t-storm early this evening

    Lawn Mowing Weather
    • Hours of Precip
      3
    • Precip
      60%
    • Hi
      RealFeel
      98°
    more
  • Fri

    Jul 31

    89°Lo 66°

    Sunny, warm and less humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      9%
    • Hi
      RealFeel
      92°
  • Sat

    Aug 1

    89°Lo 64°

    Warm with sun, some clouds

    Very Good for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      14%
    • Hi
      RealFeel
      91°
    more
  • Sun

    Aug 2

    87°Lo 67°

    Mostly sunny

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      12%
    • Hi
      RealFeel
      90°
    more
  • Mon

    Aug 3

    92°Lo 73°

    A p.m. t-storm possible

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      30%
    • Hi
      RealFeel
      96°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Clear
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 69° 67° 69° 72° 75° 79° 82° 85°
RealFeel® 68° 65° 68° 73° 78° 83° 88° 91°
Humidity 83% 85% 76% 74% 66% 55% 48% 44%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
20%
 
20%
 
14%
 
1%
 
1%
 
1%
 
1%
 
1%
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) 5 NW 5 NW 6 NW 6 WNW 6 NW 6 NW 7 NW 7 WNW
UV Index 0 0 0 1 3 4 6 7
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 2%
Dew Point 63° 62° 61° 63° 63° 61° 61° 61°
Middle Grid line 90 F 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 - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 89° 85° 99° (1954) 84°
Low 66° 66° 56° (2001) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 14:20 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:15 PM with 11:04 of moolight, then sets at 7:19 AM

Princeton Weather Report

Philadelphia: Heat to Linger, Humidity to Ease Friday, This Weekend

July 30, 2015; 7:14 PM ET

Following the steambath of this week, Philadelphia will catch a break from high humidity Friday and this weekend but not sizzling temperatures. 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?

Fri. Overnight Freeze

Fri. Degree Days

Fri. Evapotranspiration