San Antonio is expected to see weekend highs in the mid-90s.
Saturday night should be partly cloudy, with a low near 75 and light southeast winds. Mostly sunny skies and highs near 96 are forecast Sunday and Monday.
The Heat Holds Through Tuesday
Tuesday is forecast to be mostly cloudy and hot, with a high near 95. There is a 30% chance of showers and thunderstorms after 1 a.m.
Rain Chances Build Midweek
Rain and thunderstorm chances are forecast Wednesday, with a high near 95. Possible widespread rain is forecast later in the week, with highs below 90.
The National Weather Service says a Pacific cold front could bring more widespread rain later in the week, but its timing is still uncertain. The weekend forecast remains hot and dry, and no watches or warnings are posted for the San Antonio area.
Heat in Historical Context
For a historical comparison, the San Antonio Express-News reported that San Antonio’s average daily maximum temperature in September 2019 was 96.6 degrees through Sept. 29. That month-to-date average provides historical context for the current forecast. For general heat safety, the San Antonio Express-News reported that city officials urged residents to seek air-conditioned spaces when possible and wear lightweight, light-colored clothing to reduce the risk of heat-related illness.
