San Antonio Faces Heat Advisory as Record Temperatures Loom

San Antonio, TX, September 12, 2026 —

San Antonio is currently under a heat advisory, with forecasters predicting that temperatures on Saturday could surpass a record set 133 years ago.

The National Weather Service has issued the advisory, signaling potentially dangerous heat conditions for the region. Residents are being urged to take precautions as the mercury is expected to climb significantly.

The specific record temperature that may be broken dates back to 1891. Detailed information regarding the exact temperature threshold for this historic record was not immediately available. Similarly, the current temperature forecast for Saturday and the precise duration of the heat advisory were not detailed in the available information.

Officials typically advise individuals to stay hydrated, avoid strenuous outdoor activities during the hottest parts of the day, and seek air-conditioned spaces to prevent heat-related illnesses. Such illnesses can range from heat cramps and exhaustion to the more severe heat stroke.

The potential for record-breaking heat highlights the importance of monitoring weather updates and heeding advisories from meteorological services. Further details on the forecast and recommended safety measures are expected to be released as Saturday approaches.

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