• Today

    Sep 21

    84°Lo 59°

    A t-storm late this afternoon

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      4 mph
    more
  • Mon

    Sep 22

    71°Lo 47°

    Mostly sunny and not as warm

    Poor for home energy
    • Avg
      RealFeel
      58°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      12 mph
    more
  • Tue

    Sep 23

    71°Lo 51°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      4 mph
  • Wed

    Sep 24

    73°Lo 57°

    Sunny and nice

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      5 mph
    more
  • Thu

    Sep 25

    73°Lo 56°

    Nice with periods of sun

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      4 mph
    more
Next Previous
Hi 71° RealFeel® 74° Precipitation 2%

Day

N

E

S

W

  • N 4 mph
  • Gusts: 8 mph

Mostly sunny; cool in the morning, then nice 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 51° RealFeel® 50° Precipitation 7%

Night

N

E

S

W

  • ENE 2 mph
  • Gusts: 5 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 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 71° 77° 98° (1895) 69°
Low 51° 60° 36° (1904) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:57 AM with 12:07 of sunlight, then sets at 7:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:19 AM with 12:22 of moolight, then sets at 6:41 PM

Top Story

Chevy Chase Section Five Weather Report

DC: September Temperature Roller Coaster to Continue

September 21, 2014; 4:44 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Washington, D.C. 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.

Tue. Home Energy Efficiency

Tue. Degree Days

Tue. UV Index