San Antonio started Wednesday, April 15, 2026, wrapped in thick clouds and swampy humidity, with daybreak temperatures hovering near 73°F. By midafternoon, readings are expected to climb into the mid-80s, just in time for isolated to scattered thunderstorms to threaten the early- to mid-afternoon drive.
Afternoon Storm Chance
The National Weather Service Austin/San Antonio pegs the odds of showers and thunderstorms at about 30% between 1 p.m. and 4 p.m. on Wednesday, with a high near 85°F. South-southeast winds should run 5 to 10 mph, with gusts up to around 20 mph. Any storm that flares up could bring a quick burst of heavy rain and some gusty winds, but many neighborhoods may end up with nothing more than a brief shower.
Overnight And Thursday
Tonight stays on the warm and sticky side, with lows only dipping to around 70°F and a lingering chance of storms before 10 p.m. Thursday is forecast to heat up to near…..