San antonio weather in october

On 1 October 2026, meteorologists reported that San Antonio is beginning the month with temperatures significantly higher than the historical average. Following a summer characterized by persistent heat domes, the region is experiencing a lingering high-pressure system that has pushed afternoon highs into the mid-90s Fahrenheit. While October typically marks the transition toward milder autumn conditions for South Texas, current atmospheric patterns are trapping warm, dry air over the city, delaying the arrival of the first true cold fronts of the season. Local weather experts indicate that this trend is expected to persist for at least the first week of the month, with little to no precipitation in the immediate forecast. Residents are advised to remain cautious regarding heat exhaustion, as the combination of intense solar radiation and lack of cloud cover continues to elevate the heat index. While cooler nights are anticipated toward the middle of the month, the current data suggests that San Antonio will remain in a prolonged period of summer-like weather for the foreseeable future.