• Today

    Dec 28

    56°Lo 39°

    Cloudy and mild; p.m. rain

    Poor for home energy
    • Avg
      RealFeel
      47°
    • Hi
      RealFeel
      57°
    • Wind
      Speed
      2 mph
    more
  • Mon

    Dec 29

    47°Lo 31°

    Mostly cloudy

    Fair for home energy
    • Avg
      RealFeel
      38°
    • Hi
      RealFeel
      45°
    • Wind
      Speed
      5 mph
    more
  • Tue

    Dec 30

    39°Lo 24°

    Clouds giving way to some sun

    Fair for home energy
    • Avg
      RealFeel
      27°
    • Hi
      RealFeel
      36°
    • Wind
      Speed
      6 mph
    more
  • Wed

    Dec 31

    36°Lo 22°

    Partly sunny and cold

    Good for home energy
    • Avg
      RealFeel
      24°
    • Hi
      RealFeel
      31°
    • Wind
      Speed
      8 mph
  • Thu

    Jan 1

    39°Lo 26°

    Plenty of sunshine, but cold

    Good for home energy
    • Avg
      RealFeel
      29°
    • Hi
      RealFeel
      35°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 36° RealFeel® 31° Precipitation 10%

Day

N

E

S

W

  • WNW 8 mph
  • Gusts: 14 mph

Cold with times of clouds and sun

  • Max UV Index: 1 (Low)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 22° RealFeel® 17° Precipitation 9%

Night

N

E

S

W

  • W 6 mph
  • Gusts: 9 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Dec 31

more Historical Weather Data >
  Today Normal Record 12/31/2013
High 36° 43° N/A 46°
Low 22° 28° N/A 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:26 AM with 9:29 of sunlight, then sets at 4:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:43 PM with 14:10 of moolight, then sets at 3:53 AM

Lanham Weather Report

DC: 2014, December to End Cold and Dry

December 28, 2014; 2:06 PM ET

Progressively colder conditions are in the offing for Washington, D.C., during the last days of 2014 and December and into the start of 2015. 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.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index