• Tonight

    Dec 27

    Lo 39°

    Increasing clouds

    Asthma Weather
    • Hi
      RealFeel
      58°
    • UV
      2 - Low
    • Air Qual.
      Moderate
    more
  • Sun

    Dec 28

    51°Lo 39°

    Mild with occasional rain

    Beneficial weather for asthma
    • Hi
      RealFeel
      50°
    • UV
      1 - Low
    • Air Qual.
      Good
  • Mon

    Dec 29

    45°Lo 32°

    Cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      44°
    • UV
      1 - Low
    • Air Qual.
      Moderate
    more
  • Tue

    Dec 30

    39°Lo 24°

    Remaining cloudy and breezy

    Beneficial weather for asthma
    • Hi
      RealFeel
      26°
    • UV
      1 - Low
    • Cloud
      Cover
      88%
    more
  • Wed

    Dec 31

    37°Lo 23°

    Times of clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      33°
    • UV
      2 - Low
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 41° 41° 42° 42° 42° 42° 42° 44°
RealFeel® 40° 40° 41° 41° 42° 41° 42° 44°
Humidity 91% 89% 88% 88% 89% 91% 90% 87%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
2%
 
2%
 
2%
 
2%
 
2%
 
5%
 
43%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 4 SW 4 WSW 4 WSW 4 W 2 W 4 WNW 2 WNW 2 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 90% 92% 93% 93% 92% 91% 95% 95%
Dew Point 38° 38° 38° 39° 39° 39° 40° 40°
Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Dec 28

more Historical Weather Data >
  Today Normal Record 12/28/2013
High 51° 44° N/A 57°
Low 39° 29° N/A 26°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:25 AM with 9:28 of sunlight, then sets at 4:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:50 AM with 12:53 of moolight, then sets at 12:43 AM

Lanham Weather Report

DC: Typical Winter Cold to Avoid Area Until Next Week

December 27, 2014; 3:54 PM ET

Mild weather will continue in the Washington, D.C., area through this weekend, ahead of more typical cold conditions for next week. 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.

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index