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    • Today

      Oct 1

      79° /48°F
      Sunshine mixing with clouds
      • 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
    • Sun

      Oct 2

      78° /49°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      76° /43°
      Partly sunny and windy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Oct 4

      66° /34°
      Partly sunny and not as warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Oct 5

      62° /36°
      A brief shower or two
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    79°Hi RealFeel® 85° Precipitation 50%
    Sunshine mixing with clouds with a shower in spots late this afternoon
    • S 4 mph
    • Gusts: 10 mph
    • Max UV Index: 6 (High)
    • Thunderstorms: 20%
    • Precipitation: 0.02 in
    • Rain: 0.02 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    48°Lo RealFeel® 48° Precipitation 12%
    Mainly clear
    • W 5 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Boulder Pollen Levels Oct 1

    • 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 10/1/2015
    High 79° 71° N/A 82°
    Low 48° 42° N/A 54°

    Sunrise/Sunset

    • Sunrise: 6:58 AM
    • Sunset: 6:42 PM
    • Duration: 11:44 hr

    Moonrise/Moonset

    • Moonrise: 7:29 AM
    • Moonset: 7:20 PM
    • Duration: 11:51 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps