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    • Today

      Sep 29

      84° /49°
      Partly sunny and pleasant
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      73° /45°F
      A couple of p.m. t-showers
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Sat

      Oct 1

      73° /44°
      Times of clouds and sun
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      74° /47°
      Partly sunny and pleasant
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      74° /41°
      Partly sunny and pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    73°Hi RealFeel® 77° Precipitation 60%
    Times of clouds and sun with a couple of thundershowers in the afternoon
    • N 5 mph
    • Gusts: 9 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 39%
    • Precipitation: 0.1 in
    • Rain: 0.1 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    45°Lo RealFeel® 46° Precipitation 40%
    A shower or thunderstorm in spots in the evening; otherwise, partly cloudy
    • W 4 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 40%
    • Precipitation: 0.04 in
    • Rain: 0.04 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Castle Rock Pollen Levels Sep 30

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 73° 70° N/A 79°
    Low 45° 42° N/A 55°

    Sunrise/Sunset

    • Sunrise: 6:55 AM
    • Sunset: 6:42 PM
    • Duration: 11:47 hr

    Moonrise/Moonset

    • Moonrise: 6:30 AM
    • Moonset: 6:49 PM
    • Duration: 12:19 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps