• Today

    Apr 29

    40°Lo 33°

    Chilly with snow and rain

    Fair for home energy
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      42°
    • Wind
      Speed
      5 mph
    more
  • Sat

    Apr 30

    40°Lo 31°

    Intermittent snow and rain

    Fair for home energy
    • Avg
      RealFeel
      31°
    • Hi
      RealFeel
      35°
    • Wind
      Speed
      9 mph
    more
  • Sun

    May 1

    40°Lo 27°

    A bit of snow and rain

    Fair for home energy
    • Avg
      RealFeel
      36°
    • Hi
      RealFeel
      43°
    • Wind
      Speed
      5 mph
  • Mon

    May 2

    50°Lo 30°

    Warmer; an afternoon t-storm

    Poor for home energy
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      61°
    • Wind
      Speed
      4 mph
    more
  • Tue

    May 3

    58°Lo 36°

    Mostly sunny and cool

    Poor for home energy
    • Avg
      RealFeel
      53°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      5 mph
    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
Cloudy
Cloudy
Rain & Snow
Cloudy
Cloudy
Flurries
Cloudy
Cloudy
Temp (°F) 34° 35° 36° 37° 38° 39° 39° 40°
RealFeel® 34° 36° 35° 41° 42° 40° 43° 43°
Humidity 91% 91% 91% 90% 90% 89% 82% 74%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
47%
 
47%
 
51%
 
47%
 
40%
 
34%
 
34%
 
40%
Snow
 
34%
 
37%
 
40%
 
36%
 
39%
 
45%
 
40%
 
35%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 NNE 6 NNE 6 NNE 6 NE 6 ENE 5 E 5 ESE 5 ESE
UV Index 1 1 2 2 3 2 2 2
Cloud Cover 94% 94% 94% 94% 94% 94% 94% 94%
Dew Point 32° 33° 34° 35° 36° 36° 34° 32°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 40° 68° N/A 61°
Low 27° 40° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:00 AM with 13:57 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:52 AM with 11:15 of moolight, then sets at 2:07 PM

Boulder Weather Report

Heavy late-April snow to bury Colorado and threaten power outages

April 29, 2016; 7:37 AM ET

Enough cold air will be in place for another round of heavy snow to fall across Colorado, including Denver, to end the week. more >

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index