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    • Today

      Jan 16

      37° /22°F
      A little morning snow
      • 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
    • Tue

      Jan 17

      46° /27°
      Mostly sunny and warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Jan 18

      51° /28°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Jan 19

      52° /25°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Jan 20

      42° /20°
      Cooler with snow showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    37°Hi RealFeel® 44° Precipitation 70%
    A little morning snow, up to 1" followed by a shower in spots this afternoon; total storm 2-4"
    • E 1 mph
    • Gusts: 5 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0.08 in
    • Rain: 0 in
    • Snow: 0.9 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    22°Lo RealFeel® 18° Precipitation 7%
    Mainly clear
    • WSW 5 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • 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 Jan 16

    • 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 1/16/2016
    High 37° 47° N/A 37°
    Low 22° 22° N/A 18°

    Sunrise/Sunset

    • Sunrise: 7:21 AM
    • Sunset: 5:01 PM
    • Duration: 9:40 hr

    Moonrise/Moonset

    • Moonrise: 9:55 PM
    • Moonset: 10:30 AM
    • Duration: 12:35 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps