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San Antonio, Texas Weather:
Sunday, January 18, 2026
Sunny Weather
Day 54°
Night 34°
Precipitation 20 %
Wind 2 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (January 18, 2025)
Sunny Weather

Day

68°

Night

32°

Wind

8 mph

UV Index

4

Precipitation

0 %