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    • Today

      Jul 28

      87° /62°F
      An afternoon thunderstorm
      • 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

      Jul 29

      81° /61°
      A stray afternoon t-storm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Jul 30

      81° /59°
      A couple of thunderstorms
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Jul 31

      79° /58°
      Clouds and sun with a t-storm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Aug 1

      79° /56°
      Partly sunny with a t-storm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    87°Hi RealFeel® 95° Precipitation 56%
    Sun and some clouds with a shower or thunderstorm around this afternoon
    • Winds from the
    • N 6 mph
    • Gusts: 10 mph
    • Max UV Index: 9 (Very High)
    • Thunderstorms: 58%
    • Precipitation: 0.05 in
    • Rain: 0.05 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    62°Lo RealFeel® 63° Precipitation 25%
    Mostly cloudy
    • Winds from the
    • SSE 6 mph
    • Gusts: 9 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 Jul 28

    • 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 7/28/2016
    High 87° 87° N/A 82°
    Low 62° 58° N/A 61°

    Sunrise/Sunset

    • Sunrise: 5:56 AM
    • Sunset: 8:19 PM
    • Duration: 14:23 hr

    Moonrise/Moonset

    • Moonrise: 11:39 AM
    • Moonset: 11:41 PM
    • Duration: 12:02 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps