• Tonight

    Aug 1

    Lo 62°

    Partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      9 mph
  • Sun

    Aug 2

    88°Lo 66°

    Mostly sunny and warm

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      6 mph
    more
  • Mon

    Aug 3

    91°Lo 70°

    Partly sunny and hot

    Poor for home energy
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      12 mph
    more
  • Tue

    Aug 4

    87°Lo 63°

    Times of clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      10 mph
    more
  • Wed

    Aug 5

    85°Lo 65°

    A t-storm in the afternoon

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      10 mph
    more
Next Previous
Hi 87° RealFeel® 89° Precipitation 8%

Day

N

E

S

W

  • W 9 mph
  • Gusts: 21 mph

Intervals of clouds and sunshine; very warm with low humidity

  • Max UV Index: 6 (High)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 62° RealFeel® 62° Precipitation 7%

Night

N

E

S

W

  • NNW 5 mph
  • Gusts: 14 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 87° 85° 99° (2002) 81°
Low 62° 66° 54° (1895) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:17 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:57 PM with 11:33 of moolight, then sets at 8:30 AM

Princeton Weather Report

Philadelphia: Hot, Dry Weather to Last Through Weekend

August 1, 2015; 8:50 PM ET

High pressure will be responsible for dry conditions and sunny skies in the forecast for the next several days. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index