More forecasts: Atlanta 30 day forecast
San Antonio Grapples with Sweltering Heat and Scattered Storms Weather Service Forecast
Aug 19, 2025
San Antonio faces varying weather with high temperatures and intermittent thunderstorms predicted, ranging from a high of 99 degrees to lows in the mid-70s, and fluctuating chances of rain throughout the week.
San Antonio Braces for Blazing Heat with 105-Degree Index as Thunderstorms Loom
Aug 17, 2025
Heat warnings are in effect for San Antonio with temperatures expected to reach a heat index of 105 degrees and highs near 99. Evening temperatures will lower to around 77 degrees. Chances of showers and thunderstorms increase throughout the week.
San Antonio Sizzles as Temperatures Teeter on Triple Digits, NWS Advises Caution
Aug 14, 2025
San Antonio faces a week of extreme heat, with temperatures near 100 degrees and heat indices up to 105. The NWS advises caution, noting minimal nighttime relief and a slight chance of showers and thunderstorms.









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