Round Rock, Texas Weather:
Wednesday, September 16, 2026
Cloudy Weather
Day 99°
Night 75°
Precipitation 55 %
Wind 7 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (September 16, 2025)
Night

Day

93°

Night

72°

Wind

6 mph

Precipitation

3 %