• Today

    Dec 21

    42°Lo 25°

    Clouds giving way to some sun

    Good for stargazing
    • Cloud
      Cover
      36%
    • Precip
      18%
    • Hours of Precip
      0
  • Mon

    Dec 22

    45°Lo 40°

    Cloudy with afternoon rain

    Poor for stargazing
    • Cloud
      Cover
      89%
    • Precip
      55%
    • Hours of Precip
      4.5
    more
  • Tue

    Dec 23

    55°Lo 49°

    Not as cool and misty

    Poor for stargazing
    • Cloud
      Cover
      99%
    • Precip
      75%
    • Hours of Precip
      9
    more
  • Wed

    Dec 24

    65°Lo 51°

    Rain and a t-storm; breezy

    Poor for stargazing
    • Cloud
      Cover
      98%
    • Precip
      68%
    • Hours of Precip
      10
    more
  • Thu

    Dec 25

    57°Lo 35°

    Partly sunny and windy

    Very Good for stargazing
    • Cloud
      Cover
      11%
    • Precip
      6%
    • Hours of Precip
      0
    more
Next Previous
Hi 42° RealFeel® 43° Precipitation 0%

Day

N

E

S

W

  • N 4 mph
  • Gusts: 7 mph

Clouds giving way to some sun

  • Max UV Index: 2 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 25° RealFeel® 25° Precipitation 18%

Night

N

E

S

W

  • N 2 mph
  • Gusts: 5 mph

Partly cloudy and cold

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

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 42° 48° N/A 70°
Low 25° 31° N/A 52°

Solunar Information for Vienna, MD

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:29 of sunlight, then sets at 4:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:31 AM with 10:19 of moolight, then sets at 4:50 PM

Mon, Dec 22
New
Sun, Dec 28
First
Mon, Jan 5
Full
Tue, Jan 13
Last

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.

Sun. Stargazing