McKinney, Texas Weather:
Wednesday, September 16, 2026
Sunny Weather
Day 99°
Night 73°
Precipitation 8 %
Wind 9 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (September 16, 2025)
Cloudy Night

Day

93°

Night

70°

Wind

4 mph

Precipitation

3 %