• Early AM

    Apr 19

    Lo 48°

    Partly cloudy

    Stargazing Weather
    • Cloud
      Cover
      13%
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Today

    Apr 19

    67°Lo 41°

    Not as warm

    Poor for stargazing
    • Cloud
      Cover
      77%
    • Precip
      62%
    • Hours of Precip
      2
    more
  • Sun

    Apr 20

    66°Lo 39°

    Some sunshine

    Fair for stargazing
    • Cloud
      Cover
      28%
    • Precip
      10%
    • Hours of Precip
      0
  • Mon

    Apr 21

    69°Lo 41°

    Partly sunny with a shower

    Good for stargazing
    • Cloud
      Cover
      27%
    • Precip
      8%
    • Hours of Precip
      1
    more
  • Tue

    Apr 22

    84°Lo 45°

    Partly sunny; breezy, warmer

    Fair for stargazing
    • Cloud
      Cover
      51%
    • Precip
      13%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 53° 57° 59° 61° 63° 65° 65° 66°
RealFeel® 57° 65° 69° 72° 73° 75° 73° 70°
Humidity 56% 48% 40% 34% 30% 28% 28% 27%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
2%
 
6%
 
6%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 3 WNW 4 NW 4 N 5 NNE 5 NNE 5 NNE 5 N 5 N
UV Index 3 4 6 7 8 7 6 4
Cloud Cover 45% 45% 45% 45% 45% 45% 45% 45%
Dew Point 38° 38° 35° 33° 31° 31° 31° 31°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 66° 64° 83° (1989) 56°
Low 39° 37° 15° (1966) 32°

Solunar Information for Boulder, CO

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:28 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:27 AM with 10:12 of moolight, then sets at 10:39 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.

Sun. Stargazing