San Antonio, Texas Weather:
Saturday, April 18, 2026
Stormy Weather
Day 77°
Night 54°
Precipitation 55 %
Wind 15 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (April 18, 2025)
Cloudy Weather

Day

93°

Night

70°

Wind

16 mph

UV Index

9

Precipitation

25 %