• Thu

    Apr 16

    68°Lo 37°

    Mostly sunny

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      53°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      6 mph
    more
  • Fri

    Apr 17

    63°Lo 38°

    Turning out cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      52°
    • Hi
      RealFeel
      67°
    • Wind
      Speed
      8 mph
    more
  • Sat

    Apr 18

    55°Lo 29°

    Cloudy, showers; colder

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      40°
    • Hi
      RealFeel
      55°
    • Wind
      Speed
      6 mph
    more
  • Sun

    Apr 19

    52°Lo 28°

    A bit of rain and snow

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      33°
    • Hi
      RealFeel
      49°
    • Wind
      Speed
      10 mph
    more
  • Mon

    Apr 20

    51°Lo 28°

    Rain tapering off

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      40°
    • Hi
      RealFeel
      50°
    • Wind
      Speed
      8 mph
Next Previous
Hi 51° RealFeel® 50° Precipitation 77%

Day

N

E

S

W

  • NNE 8 mph
  • Gusts: 15 mph

Cloudy with rain tapering to a couple of showers

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.27 in
  • Rain: 0.27 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4.5 hrs
  • Hours of Rain: 4.5 hrs
Lo 28° RealFeel® 30° Precipitation 49%

Night

N

E

S

W

  • SE 2 mph
  • Gusts: 9 mph

Cloudy with a rain or snow shower in spots

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.03 in
  • Rain: 0.01 in
  • Snow: 0.1 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1 hrs

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2014
High 51° 62° 83° (1989) 74°
Low 28° 34° 13° (1966) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:15 AM with 13:27 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:47 AM with 14:18 of moolight, then sets at 10:05 PM

Castle Rock Weather Report

Snow to Cover Denver Prior to Easter Weekend

April 1, 2015; 5:25 AM ET

Accumulating snow will hit the Denver area on Thursday with slippery roads and travel problems. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.