| NWS Forecast for: Round Rock TX Issued by: National Weather Service Austin/San Antonio, TX Last Update: 1:28 pm CDT Sep 8, 2026 | |
| This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 37. Heat index values as high as 42. Southeast wind around 10 km/h. Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 25. Southeast wind 5 to 15 km/h. Wednesday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 37. Heat index values as high as 42. South southeast wind 5 to 10 km/h. Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 24. Southeast wind 5 to 15 km/h. Thursday: Mostly sunny and hot, with a high near 37. Calm wind. Thursday Night: Partly cloudy, with a low around 24. East southeast wind 5 to 10 km/h becoming south after midnight. Friday: Sunny and hot, with a high near 37. South southwest wind 5 to 10 km/h. Friday Night: Mostly clear, with a low around 24. South southeast wind 10 to 15 km/h. Saturday: Sunny and hot, with a high near 38. South wind around 15 km/h, with gusts as high as 30 km/h. Saturday Night: Mostly clear, with a low around 24. Sunday: Sunny and hot, with a high near 37. Sunday Night: Mostly clear, with a low around 24. Monday: Mostly sunny and hot, with a high near 37. | |
| Round Rock TX 30.52°N 97.67°W (Elev. 712 m) | |
Visit your local NWS office at: https://www.weather.gov/ewx |



