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    • Today

      Jun 21

      83° /56°F
      Partly sunny; delightful
      • 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: Moderate
    • Fri

      Jun 22

      81° /55°
      Partly sunny; pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Sat

      Jun 23

      83° /56°
      Mostly sunny; nice
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Sun

      Jun 24

      73° /53°
      Cooler; a p.m. thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Mon

      Jun 25

      76° /55°
      An afternoon thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More

    Day

    83°Hi RealFeel® 87° Precipitation 11%
    Periods of clouds and sun; delightful; air quality will be unhealthy for sensitive groups
    • Winds from the
    • ESE 8 mph
    • Gusts: 12 mph
    • Max UV Index: 12 (Extreme)
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    56°Lo RealFeel® 54° Precipitation 25%
    Partly cloudy; air quality will be unhealthy for sensitive groups
    • Winds from the
    • NE 7 mph
    • Gusts: 10 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

    Fort Collins Pollen Levels Jun 21

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

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 6/21/2017
    High 83° 82° N/A 99°
    Low 56° 54° N/A 57°

    Sunrise/Sunset

    • Sunrise: 5:30 AM
    • Sunset: 8:35 PM
    • Duration: 15:05 hr

    Moonrise/Moonset

    • Moonrise: 2:22 PM
    • Moonset: 2:19 AM
    • Duration: 11:57 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps