| NWS Forecast for: Round Rock TX Issued by: National Weather Service Austin/San Antonio, TX Last Update: 6:46 pm CDT Sep 13, 2026 | |
Tonight: A 20 percent chance of showers before 9pm. Mostly clear, with a low around 25. South wind 10 to 15 km/h, with gusts as high as 30 km/h. Monday: Sunny and hot, with a high near 38. Heat index values as high as 41. South wind 10 to 15 km/h, with gusts as high as 30 km/h. Monday Night: Increasing clouds, with a low around 25. South southeast wind 10 to 15 km/h, with gusts as high as 35 km/h. Tuesday: Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 38. Heat index values as high as 42. South wind 10 to 15 km/h, with gusts as high as 30 km/h. Tuesday Night: Mostly clear, with a low around 24. Southeast wind 15 to 20 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 35 km/h. Wednesday: Mostly sunny and hot, with a high near 37. Southeast wind 5 to 10 km/h. Wednesday Night: Partly cloudy, with a low around 24. Southeast wind 10 to 15 km/h decreasing to 5 to 10 km/h after midnight. Thursday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 36. Light east wind becoming east southeast 10 to 15 km/h in the morning. Chance of precipitation is 20%. Thursday Night: Partly cloudy, with a low around 23. East southeast wind 10 to 15 km/h becoming light and variable after midnight. Friday: Sunny, with a high near 36. Friday Night: Mostly clear, with a low around 23. Saturday: Sunny, with a high near 36. Saturday Night: Mostly clear, with a low around 23. Sunday: Mostly sunny, with a high near 36. | |
| Round Rock TX 30.52°N 97.67°W (Elev. 712 m) | |
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