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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 Station
      Updated: 7:33 PM CDT on August 19, 2026 (GMT -5)
      1 minute ago
      103°
      78°
      97
      Feels Like 100
      Sunny
      N
      7
      Same temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Tonight
      Thu 08/20
      Low 76°f
      5% Precip. / 0 in
      Mostly clear. Low 76F. Winds S at 5 to 10 mph.
      Tomorrow
      Fri 08/21
      High 103°f
      6% Precip. / 0 in
      Sunny. Very hot. High 103F. Winds S at 5 to 10 mph.
      Tomorrow night
      Fri 08/21
      Low 77°f
      5% Precip. / 0 in
      Mostly clear. Low 77F. Winds S at 5 to 10 mph.
      Hourly Forecast
      Now
      97°
      8PM
      96°
      8:08PM
      Sunset
      9PM
      92°
      10PM
      90°
      11PM
      88°
      12AM
      85°
      1AM
      83°
      2AM
      82°
      3AM
      81°
      4AM
      80°
      5AM
      79°
      6AM
      78°
      7AM
      77°
      7:00AM
      Sunrise
      8AM
      79°
      9AM
      82°
      10AM
      86°
      11AM
      90°
      12PM
      93°
      1PM
      96°
      2PM
      99°
      3PM
      100°
      4PM
      101°
      5PM
      102°
      6PM
      101°
      7PM
      100°
      Precipitation
      7%
      Pollen
      Ragweed Pollen
      Low
      Air Quality
      37
      Good
      UV Index
      0
      Low
      Additional Conditions
      1. Pressure 29.85 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point62°F
      5. Humidity 32%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KEDC Station History
      Almanac for August 20, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 103°F 97°F 106°F 2023
      4. Low 78°F 72°F 57°F 1992
      5. Rain/Snow Depth
      6. Precipitation 0 in 4 in -
      7. Snow 0 in 0 in -
      Almanac for August 21, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 103°F 96°F 108°F
      4. Low 78°F 72°F 59°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:00 AM 8:07 PM
      3. Civil Twilight 6:35 AM 8:32 PM
      4. Nautical Twilight 6:05 AM 9:01PM
      5. Astronomical Twilight 5:35 AM 9:32 PM
      1. Length of Visible Light 13h 56m
      2. Length of Day 13h 6m
      3. Tomorrow will be 1 minute 40 seconds shorter
      1. Moon 2:53 PM 12:11 AM
      2. Waxing Gibbous56% of the Moon is Illuminated
      Aug 27
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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