• Today

    Dec 20

    40°Lo 28°

    Some sun, then clouds

    Fair for home energy
    • Avg
      RealFeel
      36°
    • Hi
      RealFeel
      41°
    • Wind
      Speed
      4 mph
  • Sun

    Dec 21

    46°Lo 31°

    Partly sunny

    Fair for home energy
    • Avg
      RealFeel
      38°
    • Hi
      RealFeel
      48°
    • Wind
      Speed
      2 mph
    more
  • Mon

    Dec 22

    45°Lo 40°

    Cloudy with afternoon rain

    Fair for home energy
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      39°
    • Wind
      Speed
      8 mph
    more
  • Tue

    Dec 23

    53°Lo 49°

    Mainly cloudy and damp

    Fair for home energy
    • Avg
      RealFeel
      47°
    • Hi
      RealFeel
      51°
    • Wind
      Speed
      7 mph
    more
  • Wed

    Dec 24

    63°Lo 41°

    Rain and a t-storm; breezy

    Poor for home energy
    • Avg
      RealFeel
      45°
    • Hi
      RealFeel
      57°
    • Wind
      Speed
      17 mph
    more
Next Previous
Hi 40° RealFeel® 41° Precipitation 4%

Day

N

E

S

W

  • N 4 mph
  • Gusts: 5 mph

Some sunshine giving way to clouds

  • 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 28° RealFeel® 30° Precipitation 5%

Night

N

E

S

W

  • N 1 mph
  • Gusts: 4 mph

Partly cloudy

  • 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 - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 40° 44° N/A 60°
Low 28° 29° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:22 AM with 9:26 of sunlight, then sets at 4:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:37 AM with 10:20 of moolight, then sets at 3:57 PM

Capitol Heights Weather Report

DC: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 20, 2014; 4:11 AM ET

Following benign weather this weekend, a major storm will affect Washington, D.C., much of the East and Midwest on Christmas Eve. 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.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index