• 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
    more
  • 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
  • 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 >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 34° 38° 41° 44° 46° 47° 50° 48°
RealFeel® 44° 52° 57° 62° 64° 64° 64° 59°
Humidity 69% 60% 49% 44% 42% 39% 36% 38%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
2%
 
3%
 
4%
 
4%
 
7%
 
14%
 
14%
 
18%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 S 4 SSE 4 SE 4 ESE 4 E 4 E 5 E 5 ENE
UV Index 3 5 7 8 9 8 7 5
Cloud Cover 46% 46% 46% 46% 46% 46% 46% 46%
Dew Point 25° 25° 23° 23° 24° 24° 24° 24°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - May 2

more Historical Weather Data >
  Today Normal Record 5/2/2015
High 50° 64° N/A 74°
Low 28° 38° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:58 AM with 13:57 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:28 AM with 11:47 of moolight, then sets at 3:15 PM

Castle Rock Weather Report

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

May 1, 2016; 2:59 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 >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps