• Today

    May 1

    37°Lo 22°

    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

    50°Lo 28°

    A thunderstorm in spots

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

    May 3

    56°Lo 30°

    Partly sunny

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

    May 4

    66°Lo 38°

    Plenty of sunshine

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

    May 5

    72°Lo 43°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Partly to mostly cloudy 28° Lo 22° RealFeel® 30° / 23°

N

E

S

W

  • Precipitation: 23%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 97%
  • Cloud Cover: 28%
  • Dew Point: 24° F
  • Visibility: 10 mi
2 mph

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 37° 64° N/A 66°
Low 22° 38° N/A 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:00 AM with 13:54 of sunlight, then sets at 7:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:49 AM with 11:17 of moolight, then sets at 2:06 PM

Castle Rock Weather Report

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

May 1, 2016; 6:49 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