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    • Tonight

      Aug 17

      71° Lo
      Clear
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Aug 18

      101° /73°F
      Partly sunny and hot
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sat

      Aug 19

      98° /73°
      Sunny to partly cloudy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Aug 20

      97° /72°
      Periods of clouds and sun
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Aug 21

      98° /72°
      An afternoon thunderstorm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    101°Hi RealFeel® 104° Precipitation 0%
    Partly sunny and hot
    • Winds from the
    • N 6 mph
    • Gusts: 10 mph
    • Max UV Index: 11 (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

    73°Lo RealFeel® 70° Precipitation 1%
    Patchy clouds
    • Winds from the
    • W 6 mph
    • Gusts: 9 mph
    • Max UV Index: N/A
    • Thunderstorms: 17%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Tucson Pollen Levels Aug 18

    • 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 8/18/2016
    High 101° 100° N/A 99°
    Low 73° 73° N/A 77°

    Sunrise/Sunset

    • Sunrise: 5:50 AM
    • Sunset: 7:05 PM
    • Duration: 13:15 hr

    Moonrise/Moonset

    • Moonrise: 2:29 AM
    • Moonset: 4:44 PM
    • Duration: 14:15 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps