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    Next 5 Days
    • Current Weather

      50° F
      Clear
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 18%
      • Yesterday Temp: 32°
      • RealFeel: 47°
    • Tonight

      Dec 15

      38° Lo
      Partly cloudy
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      Dec 16

      50° Hi
      Increasing clouds
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Sunday

      Dec 17

      38° Hi
      Mostly cloudy and colder
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    Next 6 Hours
    • 6PM

      Dec 15

      52°
      Mostly clear
      Precip 0%
    • 7PM

      50°
      Mostly clear
      Precip 0%
    • 8PM

      49°
      Mostly clear
      Precip 0%
    • 9PM

      47°
      Mostly clear
      Precip 0%
    • 10PM

      46°
      Mostly clear
      Precip 0%
    • 11PM

      46°
      Mostly clear
      Precip 0%

    Boulder Pollen Levels Dec 15

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

     Winds will kick up over parts of Northern California on Saturday before spreading southward as the weekend progresses.
    Winds to increase, threaten wildfire growth in California

    Allergies Live Feed

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps