• Early AM

    Apr 17

    Lo 30°

    Mostly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Today

    Apr 17

    63°Lo 38°

    Clouds giving way to some sun

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Fri

    Apr 18

    78°Lo 46°

    Mostly sunny and warmer

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Apr 19

    67°Lo 40°

    Not as warm

    Low indoor dust & dander levels
    • Precip
      45%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
  • Sun

    Apr 20

    76°Lo 42°

    Warm with clouds and sun

    Low indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      52%
    more
Next Previous
Hi 63° RealFeel® 73° Precipitation 0%

Day

N

E

S

W

  • S 3 mph
  • Gusts: 6 mph

Clouds giving way to some sun

  • Max UV Index: 7 (High)
  • 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 38° RealFeel® 35° Precipitation 0%

Night

N

E

S

W

  • WNW 5 mph
  • Gusts: 7 mph

Mainly clear

  • 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

Boulder Pollen Levels - April 17

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 63° 64° 83° (1987) 30°
Low 38° 36° 16° (1999) 21°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:21 AM with 13:20 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:30 PM with 10:13 of moolight, then sets at 8:43 AM

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps