Round Rock, Texas Weather:
Tuesday, September 1, 2026
Cloudy Weather
Day 99°
Night 75°
Precipitation 1 %
Wind 5 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (September 1, 2025)
Rainy Night

Day

88°

Night

72°

Wind

5 mph

Precipitation

49 %