• Today

    May 27

    61°Lo 42°

    Thunderstorms possible

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
  • Sat

    May 28

    70°Lo 43°

    Partly sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Sun

    May 29

    73°Lo 44°

    Sun and some clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Mon

    May 30

    76°Lo 46°

    A p.m. t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Tue

    May 31

    69°Lo 44°

    An afternoon thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 61° RealFeel® 65° Precipitation 46%

Day

N

E

S

W

  • E 7 mph
  • Gusts: 14 mph

Cool; t-storms possible this morning followed by a shower or thunderstorm in spots this afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.16 in
  • Rain: 0.16 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 42° RealFeel® 41° Precipitation 55%

Night

N

E

S

W

  • WSW 4 mph
  • Gusts: 6 mph

A brief shower or two this evening; otherwise, clouds breaking

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Boulder Pollen Levels - May 27

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    High

  • Ragweed Pollen

    Low

  • Mold

    Low

  • Grass Pollen

    Low

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2015
High 61° 75° N/A 75°
Low 42° 46° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:36 AM with 14:45 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:13 AM with 10:41 of moolight, then sets at 10:54 AM

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps