• Tonight

    Dec 20

    Lo 25°

    Patchy clouds

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      42°
    • Wind
      Speed
      2 mph
    more
  • Sun

    Dec 21

    42°Lo 29°

    Sunshine and patchy clouds

    Fair for home energy
    • Avg
      RealFeel
      37°
    • Hi
      RealFeel
      46°
    • Wind
      Speed
      2 mph
  • Mon

    Dec 22

    43°Lo 39°

    Rain

    Fair for home energy
    • Avg
      RealFeel
      38°
    • Hi
      RealFeel
      41°
    • Wind
      Speed
      6 mph
    more
  • Tue

    Dec 23

    50°Lo 48°

    Mostly cloudy and milder

    Fair for home energy
    • Avg
      RealFeel
      49°
    • Hi
      RealFeel
      50°
    • Wind
      Speed
      5 mph
    more
  • Wed

    Dec 24

    63°Lo 46°

    Rain and a t-storm; breezy

    Poor for home energy
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      55°
    • Wind
      Speed
      18 mph
    more
Next Previous
Hi 42° RealFeel® 46° Precipitation 2%

Day

N

E

S

W

  • N 2 mph
  • Gusts: 4 mph

Sunshine and patchy 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 29° RealFeel® 28° Precipitation 6%

Night

N

E

S

W

  • N 4 mph
  • Gusts: 7 mph

Patchy clouds

  • 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 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 42° 47° N/A 71°
Low 29° 30° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:20 AM with 9:31 of sunlight, then sets at 4:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:35 AM with 10:20 of moolight, then sets at 4:55 PM

Montross Weather Report

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

December 20, 2014; 1:50 PM 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.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index