McAllen, Texas Weather:
Monday, August 31, 2026
Sunny with a Chance of Thunderstorms
Day 100°
Night 79°
Precipitation 61 %
Wind 10 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (August 31, 2025)
Night

Day

102°

Night

79°

Wind

8 mph

Precipitation

5 %