• Tonight

    Sep 16

    Lo 58°

    Mainly clear

    Asthma Weather
    • Hi
      RealFeel
      76°
    • UV
      5 - Moderate
    • Air Qual.
      Good
  • Wed

    Sep 17

    74°Lo 58°

    Mostly sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Thu

    Sep 18

    75°Lo 56°

    Partly sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Fri

    Sep 19

    73°Lo 59°

    Some sun, then clouds; nice

    Beneficial weather for asthma
    • Hi
      RealFeel
      73°
    • UV
      5 - Moderate
    • Cloud
      Cover
      51%
    more
  • Sat

    Sep 20

    75°Lo 60°

    Morning mist; clearing

    Beneficial weather for asthma
    • Hi
      RealFeel
      75°
    • UV
      4 - Moderate
    • Cloud
      Cover
      82%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
8pm
9pm 10pm 11pm Wed
12am
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 69° 67° 66° 65° 63° 63° 62° 61°
RealFeel® 65° 63° 62° 62° 61° 61° 60° 58°
Humidity 61% 64% 68% 70% 72% 73% 75% 77%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
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Snow
 
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Ice
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 5 NNE 5 NNE 5 NNE 5 NNE 5 NNE 4 NNE 4 N 4 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 31% 25% 21% 20% 15% 11% 11% 11%
Dew Point 55° 55° 55° 55° 54° 54° 54° 53°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 16

more Historical Weather Data >
  Today Normal Record 9/16/2013
High 76° 81° 96° (1998) 71°
Low 58° 64° 47° (1961) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:48 AM with 12:25 of sunlight, then sets at 7:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:45 AM with -10:-14 of moolight, then sets at 2:31 PM

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September 16, 2014; 2:11 PM ET

Rainfall will be scarce around Washington, D.C., this week, but cool air will be plentiful. 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.

Tue. Air Quality

Tue. Asthma Risk

Tue. UV Index