• Partly sunny 67°
    Home Energy Efficiency Current Weather
    • Yesterday
      Temp
      67°
    • Wind
      Chill
      67°
    • Wind
      Speed
      0 mph
  • Today

    Aug 28

    Hi 80°

    Mostly sunny and beautiful

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      4 mph
    Day Details >
  • Tomorrow

    Aug 29

    Hi 87°

    Sunny to partly cloudy

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      5 mph
    Day Details >
  • Sunday

    Aug 30

    Hi 89°

    Partly sunny, warm and humid

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      6 mph
    Day Details >
Next

A heat wave from Tuesday into Thursday

8/28 8/29 Now: 9:44am
AM 9-1
  • 9am Partly sunny 67° 0%
  • 10am Mostly sunny 68° 0%
  • 11am Sunny 70° 0%
  • 12pm Mostly sunny 72° 0%
  • 1pm Mostly sunny 74° 0%
PM 8-1
  • 8pm Clear 73° 1%
  • 9pm Clear 70° 1%
  • 10pm Clear 68° 1%
  • 11pm Mostly clear 65° 1%
  • 12am Mostly clear 64° 1%
  • 1am Mostly clear 62° 1%
AM 2-7
  • 2am Mostly clear 61° 0%
  • 3am Clear 59° 0%
  • 4am Clear 59° 0%
  • 5am Mostly clear 58° 0%
  • 6am Mostly clear 57° 0%
  • 7am Mostly sunny 59° 0%
Hourly Forecast >
Aug 28, 2015; 6:58 AM ET
A large high pressure area will develop aloft over the Northeast. Some disturbances can interrupt sunshine and cause showers, but the main theme for next week: hot and humid.
Heat and Humidity to Increase in the Northeast

Mohnton Weather Report

Philadelphia: Break From Heat, Humidity to End This Weekend

August 28, 2015; 4:46 AM ET

After taking a break this week, heat and humidity will return to Philadelphia this weekend and will not be quick to depart. more >

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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.

Fri. Home Energy Efficiency

Fri. Degree Days

Fri. UV Index