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  • Early AM

    Jul 29

    Partly cloudy Lo 71°
    more
  • Today

    Jul 29

    A thunderstorm in spots 89°Lo 73°
  • Thu

    Jul 30

    Variable clouds, a t-storm 91°Lo 69°
    more
  • Fri

    Jul 31

    Sunshine and less humid 89°Lo 66°
    more
  • Sat

    Aug 1

    Sunny 91°Lo 67°
    more
< Previous 8 hours Next 8 hours >
  Wed
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 72° 72° 72° 71° 73° 75° 78° 80°
RealFeel® 79° 77° 77° 76° 77° 83° 88° 91°
Humidity 95% 95% 95% 96% 91% 87% 81% 72%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
1%
 
3%
 
3%
 
4%
 
7%
 
7%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 1 SSE 2 SSE 2 S 2 SSE 2 SSE 4 SSE 4 SSE 5 SSE
UV Index 0 0 0 0 0 1 3 4
Cloud Cover 10% 21% 25% 36% 52% 45% 45% 45%
Dew Point 71° 70° 70° 70° 70° 71° 71° 70°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2014
High 89° 88° 103° (2011) 74°
Low 73° 66° 52° (2014) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 14:17 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:48 PM with 10:27 of moolight, then sets at 5:15 AM

Herndon Weather Report

DC, Baltimore: Dog Days of Summer to Continue

July 29, 2015; 2:24 AM ET

Typical hot and humid weather, known as the dog days of summer, will continue this week in the Washington, D.C., and Baltimore areas. more >

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