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    • Today

      Jan 23

      50° /21°F
      Clouds and sunshine
      • 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
    • Tue

      Jan 24

      32° /10°
      Cloudy, a bit of snow; colder
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Jan 25

      31° /9°
      Cold with periods of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Jan 26

      31° /4°
      Mostly sunny and cold
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Jan 27

      32° /10°
      Mostly sunny and cold
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    50°Hi RealFeel® 46° Precipitation 22%
    Clouds and sunshine
    • SSW 10 mph
    • Gusts: 23 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 6%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    21°Lo RealFeel® 14° Precipitation 55%
    Mostly cloudy with a snow shower around, perhaps mixed with rain early on
    • SW 8 mph
    • Gusts: 14 mph
    • Max UV Index: N/A
    • Thunderstorms: 7%
    • Precipitation: 0.01 in
    • Rain: 0 in
    • Snow: 0.1 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 0.5 hrs

    Castle Rock Pollen Levels Jan 23

    • 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 1/23/2016
    High 50° 44° N/A 57°
    Low 21° 19° N/A 32°

    Sunrise/Sunset

    • Sunrise: 7:14 AM
    • Sunset: 5:09 PM
    • Duration: 9:55 hr

    Moonrise/Moonset

    • Moonrise: 3:31 AM
    • Moonset: 1:50 PM
    • Duration: 10:19 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps