Weather
San Antonio, TX Weather Alert: 50% Rain Sunday, Nov 12-16
San Antonio, TX – Warm afternoons and clear skies will provide a comfortable start before rain chances increase Saturday and Sunday across Bexar County.
By Blake Harrison · 2026-11-12T10:08:14.235Z
San Antonio, TX – Warm afternoons and clear skies will provide a comfortable start before rain chances increase Saturday and Sunday across Bexar County.
The biggest weather concerns arrive Sunday, when showers could affect travel and outdoor activities before cooler conditions settle in Monday.
According to the National Weather Service Austin/San Antonio office, Thursday will bring sunny skies and temperatures reaching approximately 75 degrees.
North winds of 5 to 10 mph should become light and variable during the afternoon.
Friday looks similarly pleasant, with sunshine and a high near 76 degrees.
Saturday Brings Increasing Rain Chances Saturday begins partly sunny, with temperatures reaching approximately 69 degrees.
However, the weather pattern changes during the afternoon as shower chances increase to 40%.
East northeast winds of 5 to 10 mph will become southeasterly, with gusts potentially reaching 20 mph.
By Saturday evening, rain chances increase to 50%.
Cloudy skies and temperatures near 59 degrees could accompany scattered showers through the night.
Residents planning outdoor events should consider backup arrangements as the weekend approaches.
Sunday Showers and Thunderstorms Could Disrupt Travel Sunday carries a 50% chance of precipitation, with showers and possible afternoon thunderstorms across San Antonio.
Temperatures should reach approximately 70 degrees, providing another relatively mild November afternoon despite the unsettled weather.
The National Weather Service indicates thunderstorms are possible after noon.
Drivers traveling Interstate 10, Interstate 35, Interstate 37 and Loop 410 should prepare for wet pavement and changing visibility if showers develop.
Allow extra travel time during heavier rainfall, particularly along busy highway interchanges.
The supplied forecast does not identify a specific tornado threat or severe thunderstorm warning.
Gusty Winds Follow Sunday Night Rain chances decrease Sunday night, although a 20% chance of showers and thunderstorms remains before midnight.
Temperatures should fall toward 56 degrees.
Northeast winds will increase after midnight, potentially gusting as high as 30 mph.
Loose outdoor decorations, lightweight furniture and unsecured items could shift during stronger gusts.
Residents should secure vulnerable belongings before winds increase.
Cooler Weather Arrives Monday Monday brings partly sunny skies and temperatures near 62 degrees.
That represents a 14 degree decline from Friday's expected high of 76 degrees.
Tuesday remains partly sunny, with temperatures near 62 degrees, before Wednesday brings a modest rebound toward 66 degrees.
The cooler conditions will offer a noticeable contrast to the warmer afternoons earlier in the week.
Although colder air is spreading across portions of the eastern United States, the San Antonio forecast does not indicate freezing temperatures or snow through Wednesday.