McAllen, Texas Weather:
Friday, September 18, 2026
Stormy Weather
Day 99°
Night 75°
Precipitation 77 %
Wind 7 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (September 18, 2025)
Cloudy Night

Day

93°

Night

75°

Wind

5 mph

Precipitation

25 %