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San Antonio, Texas Weather:
Wednesday, January 21, 2026
Sunny Weather
Day 55°
Night 34°
Precipitation 20 %
Wind 4 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (January 21, 2025)
Cloudy Weather

Day

41°

Night

23°

Wind

11 mph

UV Index

4

Precipitation

25 %