Weather in San Antonio in October
October in San Antonio is mild with average temperatures around 21.9°C (71.4°F). Moderate rainfall of 79mm spread over 7 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
28.3°C
82.9°F
Low
15.5°C
59.9°F
Precipitation
79 mm
3.1 inches
~7 rainy days
Conditions
Humidity
68%
Comparison to Adjacent Months
October is 4.6°C cooler than September.
October is 5.6°C warmer than November, 29mm wetter than November.