San Antonio

San Antonio Braces for Sizzling Heat Wave with Temperatures Nearing 100 Degrees

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Published on July 22, 2025
San Antonio Braces for Sizzling Heat Wave with Temperatures Nearing 100 DegreesSource: Google Street View

Residents of San Antonio are advised to prepare for another stretch of intense heat, with forecasts predicting temperatures flirting with triple digits over the coming days. According to the National Weather Service, today's weather is expected to be partly sunny with a high reaching near 98 degrees, and with the heat index, it may feel as hot as 102 degrees. The south southeast wind will breeze through at 5 to 10 mph, gusting up to 20 mph at times.

As night falls, the conditions are forecast to change slightly with increasing clouds and a low settling around 76 degrees, while the southeast wind lingers at 5 to 15 mph and could gust as high as 20 mph. Wednesday's outlook is similarly sun-drenched and toasty with the thermometer expected to read near 98 degrees again, heat index values might soar to 103 degrees in the blazing sun. Wednesday night eases into mostly clear skies with a temperate low around 75, as the southeast wind calms to a gentle 5 to 10 mph whisper, as reported by the National Weather Service.

Heading into the latter part of the week, the heat sees no sign of a significant downturn; Thursday's forecast from the National Weather Service underlines a "sunny and hot" day with the high temperature nudging up to near 99 degrees, fortunately, a milder south wind around 5 mph offers little relief. The nighttime promises mostly clear skies once again alongside a low circling 76 degrees, as the southeast wind shifts subtly to south southwest after midnight.

Friday will be mostly sunny with a high near 98°F and light winds that shift to the southeast at about 5 mph in the afternoon. In the evenings, expect mostly cloudy skies with a low around 78°F and a southeast breeze between 5 and 10 mph, as stated by the National Weather Service.

This weather pattern continues into the weekend. Saturday will be partly sunny with a 20% chance of showers and storms after 1 p.m., and a high near 95°F. Sunday and Monday will be mostly sunny with highs near 97°F and 98°F, keeping the heat going, as per the National Weather Service.