• Tonight

    Jul 31

    Lo 66°

    Clear and less humid

    Stargazing Weather
    • Cloud
      Cover
      9%
    • Precip
      13%
    • Hours of Precip
      0
  • Sat

    Aug 1

    87°Lo 62°

    Sun mixing with clouds

    Fair for stargazing
    • Cloud
      Cover
      26%
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Sun

    Aug 2

    88°Lo 68°

    Mostly sunny

    Fair for stargazing
    • Cloud
      Cover
      39%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Mon

    Aug 3

    92°Lo 68°

    Partly sunny and hot

    Good for stargazing
    • Cloud
      Cover
      17%
    • Precip
      56%
    • Hours of Precip
      1
    more
  • Tue

    Aug 4

    89°Lo 68°

    A thunderstorm in spots

    Poor for stargazing
    • Cloud
      Cover
      70%
    • Precip
      21%
    • Hours of Precip
      1
    more
Next Previous
Hi 88° RealFeel® 93° Precipitation 4%

Day

N

E

S

W

  • WNW 6 mph
  • Gusts: 12 mph

Mostly sunny and less humid

  • Max UV Index: 7 (High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 64° Precipitation 13%

Night

N

E

S

W

  • WSW 5 mph
  • Gusts: 8 mph

Clear and less humid

  • Max UV Index: N/A
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 88° 88° 98° (1999) 85°
Low 66° 66° 50° (1997) 55°

Solunar Information for Vienna, VA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 14:12 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:24 PM with 11:08 of moolight, then sets at 7:32 AM

Fri, Jul 31
Full
Fri, Aug 7
Last
Fri, Aug 14
New
Sat, Aug 22
First

Vienna Weather Report

DC, Baltimore: Hot, Dry Weather to Last Through Weekend

July 31, 2015; 7:06 PM ET

Humidity will ease across the region, but there is not much relief in sight for the hot weather. more >

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Fri. Stargazing