, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Jan 20

      43° /19°F
      Mostly cloudy and cooler
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sat

      Jan 21

      39° /19°
      A snow shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Jan 22

      41° /27°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Jan 23

      48° /22°
      Periods of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Jan 24

      29° /7°
      Cloudy, a bit of snow; colder
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    43°Hi RealFeel® 42° Precipitation 47%
    Mostly cloudy and cooler
    • WSW 6 mph
    • Gusts: 12 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0.3 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0 hrs

    Night

    19°Lo RealFeel® 13° Precipitation 4%
    Partly cloudy
    • SW 7 mph
    • Gusts: 10 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Castle Rock Pollen Levels Jan 20

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 1/20/2016
    High 43° 44° N/A 48°
    Low 19° 19° N/A 29°

    Sunrise/Sunset

    • Sunrise: 7:16 AM
    • Sunset: 5:06 PM
    • Duration: 9:50 hr

    Moonrise/Moonset

    • Moonrise: 12:46 AM
    • Moonset: 12:00 PM
    • Duration: 11:14 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps