• Early AM

    May 1

    Lo 33°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    May 1

    44°Lo 27°

    A bit of snow and rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Mon

    May 2

    53°Lo 31°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    May 3

    63°Lo 33°

    Partly sunny with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    May 4

    69°Lo 36°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Cloudy 36° RealFeel® 41°

N

E

S

W

  • Humidity: 93%
  • Pressure: 30.23 in ↑
  • UV Index: 0
  • Cloud Cover: 100%
  • Ceiling: 6448 ft
  • Dew Point: 34° F
  • Visibility: 10 mi
0 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:01 AM with 13:55 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:12 AM with 10:50 of moolight, then sets at 1:02 PM

Temperature Summary - 12:38 AM

  Temp (°F)
Now 36°
Yesterday 40°
RealFeel® 41°
RealFeel® Shade 41°
Wind Chill 36°
Dew Point 34°
  Hi / Lo
Previous 6 Hours 37°
  36°
Previous 12 Hours 39°
  36°
Previous 24 Hours 39°
  32°

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 44° 68° N/A 61°
Low 27° 40° N/A 48°

Precipitation Summary - 12:38 AM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0.02
Previous 6 Hours 0.13
Previous 9 Hours 0.15
Previous 12 Hours 0.19
Previous 18 Hours 0.31
Previous 24 Hours 0.45

Boulder Weather Report

PHOTOS: Late-April snowstorm extends Colorado ski season into early May

May 1, 2016; 12:57 AM ET

A late-April snowstorm dumped over a foot of heavy, wet snow across parts of Colorado on Thursday into Friday, boosting snowpack for an extended ski season at local resorts. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps