• Tonight

    May 1

    Lo 26°

    Partly cloudy and cold

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Mon

    May 2

    56°Lo 36°

    A thunderstorm in spots

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

    May 3

    64°Lo 39°

    Partly sunny

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

    May 4

    72°Lo 43°

    Mostly sunny and pleasant

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

    May 5

    79°Lo 47°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
A bit of snow and rain 41° Lo 39° RealFeel® 42° / 38°

N

E

S

W

  • Precipitation: 55%
  • Rain: 0.08 in
  • Snow: 0.1 in
  • Humidity: 78%
  • Cloud Cover: 96%
  • Dew Point: 34° F
  • Visibility: 7 mi
6 mph

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 41° 69° N/A 63°
Low 26° 39° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 13:56 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:51 AM with 11:15 of moolight, then sets at 2:06 PM

Thornton Weather Report

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

May 1, 2016; 11:21 PM 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