• Tonight

    May 1

    Lo 23°

    Showers of rain and snow

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

    May 2

    52°Lo 29°

    A thunderstorm in spots

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

    May 3

    58°Lo 32°

    Partly sunny

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

    May 4

    68°Lo 39°

    Plenty of sunshine

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

    May 5

    75°Lo 43°

    A p.m. t-storm in spots

    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
8pm
9pm 10pm 11pm Mon
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Rain & Snow
Cloudy
Cloudy
Cloudy
Rain & Snow
Mostly Cloudy
Cloudy
Partly Cloudy
Temp (°F) 33° 32° 30° 29° 29° 28° 27° 26°
RealFeel® 30° 32° 31° 31° 30° 30° 29° 27°
Humidity 89% 91% 92% 92% 92% 92% 92% 92%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
51%
 
47%
 
41%
 
40%
 
44%
 
40%
 
0%
 
0%
Snow
 
40%
 
37%
 
34%
 
37%
 
40%
 
37%
 
18%
 
18%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 5 WSW 5 N 4 NE 2 ENE 2 ENE 2 E 2 ESE 2 SSE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 89% 92% 95% 96% 91% 78% 59% 40%
Dew Point 30° 29° 28° 27° 27° 26° 25° 24°
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 35° 64° N/A 66°
Low 23° 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; 9:19 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