McKinney, Texas Weather:
Thursday, August 20, 2026
Cloudy Weather
Day 104°
Night 79°
Precipitation 8 %
Wind 8 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (August 20, 2025)
Stormy Weather

Day

102°

Night

73°

Wind

5 mph

Precipitation

49 %