San Antonio

San Antonio Sizzles in Heatwave, Sunny Skies with Highs Approaching 100 Degrees

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Published on August 07, 2025
San Antonio Sizzles in Heatwave, Sunny Skies with Highs Approaching 100 DegreesSource: Google Street View

The scorching heat in San Antonio is showing no signs of letting up, as the city finds itself in the midst of an extended streak of high temperatures. According to the latest weather forecasts from the National Weather Service, today's conditions are expected to be "sunny and hot, with a high near 99" and "heat index values as high as 104." A calm transition to a south southeast wind around 5 mph could provide little in the way of relief this afternoon.

Tonight, the skies will remain clear, and temperatures are set to dip to a warm 77 degrees. This pattern of clear skies and sustained warmth is projected to continue into the weekend, with Friday’s forecasts indicating another blistering day with a high near 100 degrees and heat index values potentially reaching 103, as reported by the National Weather Service.

The trend is expected to persist, as National Weather Service reports. "Saturday Sunny, with a high near 98" and a calm wind switching to east southeast in the afternoon. The nighttime brings slight respite with "Mostly clear, with a low around 75" and a south southeast wind of 5 to 10 mph.

Looking ahead, the sunny skies are not likely to abate, with the forecast for "SundaySunny, with a high near 97" and a continuation of light southeast winds in the afternoon. The evening should offer a modicum of solace as it becomes "Mostly clear, with a low around 77." Heading into next week, San Antonio can expect more of the same with sunny conditions and highs hovering in the mid to upper 90s, as stated by the National Weather Service.