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      Heat Advisory
      until 7:00 PM CDT
      Elev 774 ft, 30.501 °N 97.672 °W

      Round Rock, TX

      Round Rock Station79°
      Updated: 5:57 AM CDT on September 14, 2026 (GMT -5)
      3 minutes ago
      99°
      78°
      79
      Feels Like 83
      Partly Cloudy
      N
      3
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Tue 09/15
        High 99°f
         11% Precip. / 0 in
        Sunshine and clouds mixed. Near record high temperatures. High 99F. Winds S at 10 to 15 mph.
        Tonight
        Tue 09/15
        Low 77°f
         7% Precip. / 0 in
        Partly cloudy. Low 77F. Winds SSE at 10 to 15 mph.
        Tomorrow
        Wed 09/16
        High 100°f76°f
         8% Precip. / 0 in
        A few passing clouds, otherwise generally sunny. Near record high temperatures. High around 100F. Winds S at 10 to 15 mph.
        Hourly Forecast
        Now
        80°
        6AM
        80°
        7AM
        80°
        7:14AM
        Sunrise
        8AM
        80°
        9AM
        82°
        10AM
        85°
        11AM
        88°
        12PM
        91°
        1PM
        93°
        2PM
        96°
        3PM
        97°
        4PM
        98°
        5PM
        97°
        6PM
        95°
        7PM
        93°
        7:37PM
        Sunset
        8PM
        89°
        9PM
        87°
        10PM
        86°
        11PM
        85°
        12AM
        83°
        1AM
        82°
        2AM
        81°
        3AM
        80°
        4AM
        79°
        5AM
        79°
        Precipitation
        12%
        Pollen
        None
        Air Quality
        58
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.01 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point76°F
        5. Humidity 89%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KEDC Station History
        Almanac for September 14, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 99°F 90°F 105°F 2011
        4. Low 78°F 67°F 56°F 1989
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 100°F 90°F 100°F
        4. Low 78°F 67°F 24°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:14 AM 7:37 PM
        3. Civil Twilight 6:50 AM 8:01 PM
        4. Nautical Twilight 6:22 AM 8:29PM
        5. Astronomical Twilight 5:53 AM 8:58 PM
        1. Length of Visible Light 13h 10m
        2. Length of Day 12h 22m
        3. Tomorrow will be 1 minute 50 seconds shorter
        1. Moon 10:43 AM 9:30 PM
        2. Waxing Crescent13% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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