• Cloudy 34°
    Asthma Current Weather
    • Relative Humidity
      80%
    • Yesterday
      Temp
      25°
    • Pressure
      30.31 inHg
  • Today

    Dec 21

    Hi 42°

    Clouds giving way to some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      47°
    • UV
      2 - Low
    • Air Qual.
      Moderate
    Day Details >
  • Tomorrow

    Dec 22

    Hi 40°

    Cloudy with afternoon rain

    Beneficial weather for asthma
    • Hi
      RealFeel
      39°
    • UV
      1 - Low
    • Air Qual.
      Good
    Day Details >
  • Tuesday

    Dec 23

    Hi 49°

    Rather cloudy, mist; milder

    Beneficial weather for asthma
    • Hi
      RealFeel
      48°
    • UV
      1 - Low
    • Air Qual.
      Good
    Day Details >
Next

Rain and thunderstorms Tuesday evening through late Wednesday night

12/21 12/22 Now: 5:44am
AM 5-9
  • 5am Intermittent clouds 29° 0%
  • 6am Intermittent clouds 29° 0%
  • 7am Mostly cloudy 29° 0%
  • 8am Mostly cloudy 31° 0%
  • 9am Mostly cloudy 33° 0%
PM 4-9
  • 4pm Mostly sunny 40° 0%
  • 5pm Mostly clear 38° 0%
  • 6pm Mostly clear 36° 0%
  • 7pm Clear 34° 0%
  • 8pm Clear 32° 0%
  • 9pm Clear 31° 0%
PM 10-3
  • 10pm Clear 30° 0%
  • 11pm Clear 29° 0%
  • 12am Mostly clear 28° 0%
  • 1am Mostly clear 28° 4%
  • 2am Partly cloudy 28° 4%
  • 3am Intermittent clouds 29° 4%
Hourly Forecast >
Dec 20, 2014; 12:16 PM ET
Expect rainy weather Monday afternoon through Monday evening
Washington, DC Weather Forecast

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Lanham Weather Report

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

December 21, 2014; 4:20 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 >

Respiratory Health Live Feed

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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.

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index