Lewisville, Texas Weather:
Wednesday, August 12, 2026
Sunny Weather
Day 100°
Night 79°
Precipitation 3 %
Wind 9 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (August 12, 2025)
Cloudy Night

Day

91°

Night

75°

Wind

6 mph

Precipitation

25 %