• Early AM

    Apr 17

    Lo 27°

    Clear

    Stargazing Weather
    • Cloud
      Cover
      9%
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Today

    Apr 17

    52°Lo 34°

    Cool with periods of sun

    Poor for stargazing
    • Cloud
      Cover
      69%
    • Precip
      12%
    • Hours of Precip
      0
  • Fri

    Apr 18

    55°Lo 40°

    Mostly cloudy and cool

    Poor for stargazing
    • Cloud
      Cover
      98%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Sat

    Apr 19

    68°Lo 37°

    Warmer with clouds and sun

    Very Good for stargazing
    • Cloud
      Cover
      4%
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Sun

    Apr 20

    62°Lo 36°

    Partly sunny

    Poor for stargazing
    • Cloud
      Cover
      64%
    • Precip
      13%
    • Hours of Precip
      0
    more
Next Previous
Next 8 hours >
  Thu
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Clear
Clear
Clear
Clear
Clear
Mostly Clear
Mostly Clear
Partly Sunny
Temp (°F) 36° 36° 33° 29° 27° 28° 29° 31°
RealFeel® 28° 24° 31° 25° 21° 21° 20° 22°
Humidity 75% 76% 80% 85% 86% 85% 86% 85%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 8 NE 11 NE 4 NE 5 NE 6 NE 6 NE 7 NE 8 NE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 4% 8% 9% 6% 4% 10% 25% 46%
Dew Point 29° 29° 28° 25° 23° 24° 25° 27°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 52° 70° N/A 75°
Low 34° 46° N/A 55°

Solunar Information for Vienna, MD

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:14 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:20 PM with 10:36 of moolight, then sets at 7:56 AM

Tue, Apr 22
Last
Tue, Apr 29
New
Wed, May 7
First
Wed, May 14
Full

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.

Thu. Stargazing