San Antonio, Texas Weather:
Saturday, March 21, 2026
Cloudy Weather
Day 81°
Night 46°
Precipitation 25 %
Wind 9 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (March 21, 2025)
Sunny Weather

Day

81°

Night

55°

Wind

12 mph

UV Index

8

Precipitation

0 %