San Antonio weather in October
Long-run climate averages for San Antonio, TX in October, plus what the forecast models say for the days ahead.
In October, San Antonio averages 81°F by day and 61°F at night. The wettest month is usually June.
October in San Antonio averages a daytime high of 81°F and an overnight low of 61°F, which reads as warm for this part of the world. Across the whole year San Antonio sees roughly 32 inches of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live San Antonio forecast with every model compared and how much they currently agree.
San Antonio weather by month
what to expect in San Antonio through the year, 1991-2020 averagesHere is San Antonio's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to San Antonio by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for San Antonio, scoring 91/100 on our CheckWeather Score, ahead of the American at 81. See the full US accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is San Antonio in October?
Is October a good time to visit San Antonio?
Does it rain a lot in San Antonio in October?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .