
San Antonio faces another hot day, with a heat index expected to reach 103°F. According to the National Weather Service, the actual high will be near 99°F under sunny skies, with light south winds around 5 mph.
Tonight in San Antonio will be mostly clear with a low near 77°F and light southeast winds. On Monday, expect highs around 100°F with a heat index near 103. There’s a slight chance of showers in the afternoon, increasing to a chance of thunderstorms after 4 p.m. Winds will stay light from the southeast.
Tuesday in San Antonio brings a 40% chance of showers and thunderstorms after noon, with a high near 99°F. Rain chances drop slightly by the evening.
San Antonio’s midweek forecast keeps the heat and storm chances going. Wednesday brings mostly sunny skies with highs in the upper 90s and a 40% chance of afternoon showers and storms. On Thursday, rain chances increase to 60% with possible thunderstorms after 1 p.m.
Friday in San Antonio brings a 50% chance of thunderstorms under mostly sunny skies, dropping to 20% at night. Saturday stays hot with a 30% chance of showers and storms.









