• Today

    Dec 18

    46°Lo 33°

    Colder with clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      36°
    • UV
      1 - Low
    • Air Qual.
      Good
    more
  • Fri

    Dec 19

    47°Lo 31°

    Sunshine and patchy clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      39°
    • UV
      2 - Low
    • Air Qual.
      Good
  • Sat

    Dec 20

    44°Lo 32°

    Mostly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      45°
    • UV
      2 - Low
    • Air Qual.
      Moderate
    more
  • Sun

    Dec 21

    47°Lo 33°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      48°
    • UV
      2 - Low
    • Cloud
      Cover
      27%
    more
  • Mon

    Dec 22

    46°Lo 41°

    Rain

    Beneficial weather for asthma
    • Hi
      RealFeel
      42°
    • UV
      1 - Low
    • Cloud
      Cover
      89%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
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Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 35° 33° 35° 35° 38° 40° 42° 43°
RealFeel® 28° 26° 28° 27° 29° 32° 34° 36°
Humidity 57% 60% 57% 55% 50% 46% 45% 41%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
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Snow
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 8 WNW 8 NW 8 NW 9 NW 10 NW 12 NW 13 NW 13 NW
UV Index 0 0 0 0 1 1 2 2
Cloud Cover 76% 76% 25% 25% 25% 25% 25% 25%
Dew Point 21° 20° 21° 21° 20° 21° 22° 21°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 47° 46° 74° (1924) 61°
Low 31° 32° (1884) 30°

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 4:35 AM with 10:33 of moolight, then sets at 3:08 PM

Washington Weather Report

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

December 18, 2014; 1:11 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 >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index