San Antonio Forecast: Hot Sunday Followed by Cooler Temperatures

San Antonio, TX, September 12, 2026 —

San Antonio residents can expect a significant shift in weather this week, beginning with a hot Sunday followed by a notable cooling trend. The forecast indicates that Sunday will bring high temperatures, characteristic of summer conditions. Details regarding the exact temperature highs for Sunday were not provided in the initial forecast summary.

Following the warm conditions on Sunday, meteorological predictions point towards a decrease in temperatures in the subsequent days. This cooling period is expected to offer relief from the weekend heat. Specific details about the timing and magnitude of this temperature drop, including the forecasted lows or typical daytime highs for the cooler period, were not specified.

The transition from hot to cooler weather is a common phenomenon, though the specific drivers and duration of this particular pattern for San Antonio were not elaborated upon in the summary. Weather forecasts are subject to change, and residents are advised to stay updated on the latest predictions.

Further information regarding the precise temperature ranges, wind conditions, and precipitation forecasts for both the hot Sunday and the subsequent cooler days was not available. The duration of the cooler spell also remains unspecified.

Story summarized from the original created by Google News on news.google.com, see more information here.