San Antonio, Texas Weather:
Wednesday, May 13, 2026
Sunny with a Chance of Thunderstorms
Day 84°
Night 68°
Precipitation 68 %
Wind 8 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (May 13, 2025)
Hot Day

Day

106°

Night

70°

Wind

9 mph

UV Index

12

Precipitation

3 %