• Thunderstorm 73°
    Home Energy Efficiency Current Weather
    • Yesterday
      Temp
      79°
    • Wind
      Chill
      73°
    • Wind
      Speed
      7 mph
  • Tonight

    Jul 10

    Lo 63°

    A heavy evening thunderstorm

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      3 mph
    Day Details >
  • Tomorrow

    Jul 11

    Hi 86°

    A thunderstorm in spots

    Poor for home energy
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      3 mph
    Day Details >
  • Saturday

    Jul 12

    Hi 88°

    An afternoon thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      4 mph
    Day Details >
Next

A thunderstorm early this evening

7/10 7/11 Now: 7:09pm
PM 7-11
  • 7pm Partly sunny w/ t-storms 82° 54%
  • 8pm Mostly sunny 78° 49%
  • 9pm Partly cloudy 74° 47%
  • 10pm Mostly cloudy w/ t-storms 70° 51%
  • 11pm Intermittent clouds 68° 40%
AM 6-11
  • 6am Mostly sunny 63° 8%
  • 7am Mostly sunny 66° 8%
  • 8am Partly sunny 71° 7%
  • 9am Partly sunny 74° 7%
  • 10am Intermittent clouds 77° 6%
  • 11am Partly sunny 81° 5%
PM 12-5
  • 12pm Partly sunny 82° 5%
  • 1pm Intermittent clouds 84° 8%
  • 2pm Partly sunny 84° 43%
  • 3pm Partly sunny 86° 47%
  • 4pm Mostly cloudy w/ t-storms 82° 51%
  • 5pm Partly sunny 83° 14%
Hourly Forecast >

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Top Story

Frederick Weather Report

DC: Typical Warmth, Spotty Storms Forecast for Weekend

July 10, 2014; 5:05 PM ET

After the number of thunderstorms diminish into Friday, the weekend will bring fairly typical warmth and humidity for the middle of July around Washington, D.C. 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.

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index