National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Austin Executive Airport (KEDC)

Lat: 30.39°NLon: 97.56°WElev: 616ft.

Fair

80°F

27°C

Humidity 81%
Wind Speed S 5 mph
Barometer 30.04 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Aug 3:15 am CDT
Extended Forecast for

Round Rock TX

Heat Advisory August 21, 03:27am until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 21, 03:27am until August 23, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Overnight

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 102. Heat index values as high as 108. South southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 79. South southeast wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 103. Heat index values as high as 109. Southwest wind around 5 mph.

    High: 103 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 80. South wind around 5 mph.

    Low: 80 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 104. Southwest wind around 5 mph.

    High: 104 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 104. South southwest wind 5 to 10 mph.

    High: 104 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 78. South southwest wind around 5 mph.
Friday
Sunny and hot, with a high near 102. Heat index values as high as 108. South southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 79. South southeast wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 103. Heat index values as high as 109. Southwest wind around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 80. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 104. Southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 104. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 103.
Tuesday Night
Clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 104.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 102.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Rock TX
 30.52°N 97.67°W (Elev. 712 ft)
Last Update:
2:46 am CDT Aug 21, 2026
Forecast Valid:
3am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation