October in Round Rock averages a daily high of 27.5°C with nights around 14.1°C. Expect roughly 6 wet days totalling 100.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Round Rock is February–April.
Based on AUSTIN GREAT HILLS, TX US (13.4km), 1995–2024. 17 years of October data.