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    • Today

      Mar 23

      85° /65°F
      Warm with some sun returning
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Fri

      Mar 24

      82° /54°
      A strong thunderstorm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
      More
    • Sat

      Mar 25

      82° /58°
      Very warm with plenty of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Sun

      Mar 26

      87° /63°
      Very warm with periods of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Mon

      Mar 27

      84° /58°
      Mostly sunny and warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    85°Hi RealFeel® 83° Precipitation 3%
    Breezy and very warm with clouds breaking for some sun
    • SSE 17 mph
    • Gusts: 36 mph
    • Max UV Index: 8 (Very High)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    65°Lo RealFeel® 62° Precipitation 25%
    Warm; partly cloudy this evening followed by late-night low clouds
    • S 12 mph
    • Gusts: 20 mph
    • Max UV Index: N/A
    • Thunderstorms: 8%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Round Rock Pollen Levels Mar 23

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

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      High

    Temperature History

    more Historical Weather Data >
      Today Normal Record 3/23/2016
    High 85° 73° N/A 77°
    Low 65° 48° N/A 64°

    Sunrise/Sunset

    • Sunrise: 7:31 AM
    • Sunset: 7:44 PM
    • Duration: 12:13 hr

    Moonrise/Moonset

    • Moonrise: 4:29 AM
    • Moonset: 3:31 PM
    • Duration: 11:02 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps