San Antonio

San Antonio Braces for Scorching Week with Temperatures Nearing 100 Degrees

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Published on July 27, 2025
San Antonio Braces for Scorching Week with Temperatures Nearing 100 DegreesSource: Google Street View

San Antonio residents should prepare to experience significant heat this week, with temperatures flirting with triple digits, according to the latest weather forecasts. Today brings a slight chance of relief with a 20 percent chance of showers and thunderstorms after 4 p.m., as reported by the National Weather Service. The partly sunny skies could feel as warm as 100 degrees due to the heat index, while the south southeast wind is expected to lightly breeze at 5 to 10 mph, with potential gusts reaching up to 20 mph.

Tonight, the chance of precipitation will slightly drop to 10 percent before 7 p.m., transitioning to partly cloudy skies and a low around 77 degrees. Residents may still feel a light breeze, with the southeast wind maintaining its pace from earlier in the day. As we look to start the next workweek, Monday's outlook indicates a gradual becoming sunny with an anticipated high touching near 97 degrees and the heat index values could soar to reach as high as 103 degrees.

As nighttime approaches, skies will remain mostly clear, providing a small respite from the heat with a low forecasted around 74 degrees. The consistent south southeast wind is expected to persist, moving at a mild 5 to 10 mph. Transitioning into Tuesday, forewarned by the National Weather Service, we should expect to step into a sizzler of a day with the sun beaming down and the mercury set to rise again near 98 degrees.

Wednesday is projected to be sunny and hot, with temperatures pushing to touch a high near 99 degrees. The wind, maintaining discipline, is likely to remain calm before becoming a south southeast breeze of around 5 mph in the afternoon. As the week progresses, these conditions are anticipated to stubbornly persist, with Thursday mirroring Wednesday's sunny disposition and forbidding heat.

By the time Friday arrives, San Antonio may see a modest increase in cloud cover and a 20 percent likelihood of showers and thunderstorms. Still, temperatures will stay high, and optimism for a significant cool down might need to be tempered as the forecast suggests usual conditions for this time of the year in South Texas with widespread highs close to 98 degrees.