San Antonio, Texas – Unseasonable fall warmth will dominate south-central Texas through Thursday before a shift toward wetter weather arrives late Friday. Afternoon highs will soar well into the 80s and 90s, with the hottest spots along the I-35 corridor and the southern Edwards Plateau approaching the upper 90s.
According to the National Weather Service office in Austin/San Antonio, dry air and partly cloudy skies will persist midweek, allowing strong sun and westerly breezes to boost temperatures. Del Rio and Uvalde could see highs near 98°F, while Austin and San Marcos reach the low 90s. Humidity will remain moderate, keeping heat indices close to the actual temperature.
Changes begin late Friday as a cold front and upper disturbance increase moisture from the west. Widespread showers and a few thunderstorms may develop Friday night into Saturday, offering much-needed rainfall for parched rangelands and fire-prone brush country. Forecasters expect the weekend to trend cooler, with highs dipping into the 70s by Sunday.
Until then, residents should stay hydrated, avoid outdoor burning, and prepare for changing road conditions late week once rain returns.
Five-Day Forecast for San Antonio, TX:
Wed: 92/68 – Partly cloudy; hot and dry.
Thu: 91/69 – Mostly sunny; breezy afternoon.
Fri: 88/67 – Increasing clouds; rain late night.
Sat: 78/64 – Scattered showers and a few storms.
Sun: 74/61 – Cooler; lingering morning rain, clearing later.
