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Personalized Forecasts

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    • Today

      Sep 22

      80° /46°F
      Breezy with clouds and sun
      • 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

      Sep 23

      64° /44°
      Cooler with a little rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Sep 24

      55° /42°
      Cooler with periods of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Sep 25

      54° /36°
      Mainly cloudy, a shower; cool
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Sep 26

      61° /40°
      A couple of afternoon showers
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    80°Hi RealFeel® 81° Precipitation 25%
    Breezy with periods of clouds and sun
    • Winds from the
    • SSW 15 mph
    • Gusts: 29 mph
    • Max UV Index: 14 (Extreme)
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    46°Lo RealFeel® 45° Precipitation 25%
    Mostly cloudy
    • Winds from the
    • WSW 7 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 15%
    • 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 Sep 22

    • 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 9/22/2016
    High 80° 74° N/A 77°
    Low 46° 45° N/A 52°

    Sunrise/Sunset

    • Sunrise: 6:47 AM
    • Sunset: 6:57 PM
    • Duration: 12:10 hr

    Moonrise/Moonset

    • Moonrise: 9:09 AM
    • Moonset: 8:38 PM
    • Duration: 11:29 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps