• Tonight

    Sep 17

    Lo 51°

    Partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      76°
    • Wind
      Speed
      2 mph
    more
  • Thu

    Sep 18

    74°Lo 49°

    Fog in the a.m.; mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      4 mph
  • Fri

    Sep 19

    70°Lo 54°

    Partly sunny and comfortable

    Poor for home energy
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      4 mph
    more
  • Sat

    Sep 20

    80°Lo 56°

    Clearing

    Poor for home energy
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      4 mph
    more
  • Sun

    Sep 21

    82°Lo 56°

    Warm with clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      81°
    • Wind
      Speed
      6 mph
    more
Next Previous
Hi 74° RealFeel® 78° Precipitation 3%

Day

N

E

S

W

  • NNW 4 mph
  • Gusts: 6 mph

Mostly sunny; areas of morning fog, then beautiful in the afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 49° RealFeel® 49° Precipitation 9%

Night

N

E

S

W

  • NNE 2 mph
  • Gusts: 4 mph

Clear

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

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 74° N/A N/A 70°
Low 49° N/A N/A 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:56 AM with 12:21 of sunlight, then sets at 7:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:48 AM with 14:17 of moolight, then sets at 4:05 PM

Top Story

Hancock Weather Report

DC: Remainder of Week to Be Dry, Cool

September 17, 2014; 7:11 AM ET

Rainfall will be scarce around Washington, D.C., this week, but cool air will be plentiful. more >

Energy Efficient Lightbulbs and S.A.D

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Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index