• Early AM

    May 1

    Lo 28°

    A bit of snow or flurries

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • 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
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
5pm
6pm 7pm 8pm 9pm 10pm 11pm Mon
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Rain
Flurries
Cloudy
Rain & Snow
Rain & Snow
Cloudy
Cloudy
Cloudy
Temp (°F) 37° 35° 34° 33° 32° 30° 30° 29°
RealFeel® 32° 33° 33° 32° 31° 32° 32° 32°
Humidity 83% 82% 81% 80% 79% 81% 86% 88%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
51%
 
47%
 
49%
 
56%
 
56%
 
49%
 
34%
 
34%
Snow
 
37%
 
40%
 
34%
 
42%
 
41%
 
38%
 
34%
 
34%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 7 NNE 6 NNE 5 NNE 4 NNE 4 NNE 2 NE 2 ENE 2 ESE
UV Index 1 1 0 0 0 0 0 0
Cloud Cover 94% 94% 94% 93% 93% 95% 95% 90%
Dew Point 32° 30° 29° 27° 26° 25° 26° 26°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

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; 4:59 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