• Fri

    Jan 2

    43°Lo 31°

    Times of clouds and sun

    Fair for home energy
    • Avg
      RealFeel
      36°
    • Hi
      RealFeel
      43°
    • Wind
      Speed
      5 mph
  • Sat

    Jan 3

    51°Lo 39°

    Rain

    Fair for home energy
    • Avg
      RealFeel
      39°
    • Hi
      RealFeel
      46°
    • Wind
      Speed
      7 mph
    more
  • Sun

    Jan 4

    47°Lo 25°

    Cloudy to partly sunny

    Fair for home energy
    • Avg
      RealFeel
      32°
    • Hi
      RealFeel
      41°
    • Wind
      Speed
      10 mph
    more
  • Mon

    Jan 5

    39°Lo 21°

    Times of clouds and sun

    Good for home energy
    • Avg
      RealFeel
      28°
    • Hi
      RealFeel
      38°
    • Wind
      Speed
      5 mph
    more
  • Tue

    Jan 6

    35°Lo 16°

    Mostly cloudy, a bit of snow

    Good for home energy
    • Avg
      RealFeel
      22°
    • Hi
      RealFeel
      31°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 43° RealFeel® 43° Precipitation 18%

Day

N

E

S

W

  • S 5 mph
  • Gusts: 8 mph

Intervals of clouds and sunshine

  • Max UV Index: 2 (Low)
  • 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 31° RealFeel® 29° Precipitation 75%

Night

N

E

S

W

  • SSE 4 mph
  • Gusts: 6 mph

Considerable cloudiness; a bit of evening snow followed by a mix of snow and rain late

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.22 in
  • Rain: 0.16 in
  • Snow: 0.5 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 2 hrs

Temperature History - Jan 2

more Historical Weather Data >
  Today Normal Record 1/2/2014
High 43° 43° 71° (1876) 39°
Low 31° 29° -1° (1899) 33°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:28 AM with 9:30 of sunlight, then sets at 4:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:14 PM with 14:35 of moolight, then sets at 5:49 AM

Rockville 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.