Weather
San Antonio, TX Weather This Week: 70s Return, Then 88° Friday Oct 17-23
San Antonio, TX – A noticeable cooldown is settling across South Central Texas Saturday, October 17, bringing cooler afternoons, chilly overnight temperatures and a dramatic temperature rebound headin
By Mason Reid · 2026-10-17T09:22:13.760Z
San Antonio, TX – A noticeable cooldown is settling across South Central Texas Saturday, October 17, bringing cooler afternoons, chilly overnight temperatures and a dramatic temperature rebound heading into next week. Some Hill Country valleys could fall into the upper 30s this weekend before afternoon highs climb toward 90 degrees by Friday.
According to the National Weather Service in Austin San Antonio, a cooler air mass is bringing mostly sunny skies and temperatures ranging from the upper 50s to lower 70s Saturday. Gusty morning winds are expected to decrease during the afternoon.
San Antonio is forecast to reach approximately 73 degrees Saturday, while nearby New Braunfels and San Marcos could reach 70 to 72 degrees.
Farther northwest, Rocksprings may only reach 59 degrees, with Kerrville near 61 degrees and Fredericksburg around 70 degrees.
Chilly Sunday Morning Across the Hill Country
Sunday, October 18, will bring another cool morning, with overnight lows around 52 degrees in San Antonio.
Temperatures could fall to 43 degrees in Rocksprings, 42 degrees in Kerrville and 41 degrees in Fredericksburg.
Some sheltered Hill Country valleys may experience readings in the upper 30s.
Sunday afternoon temperatures rebound to approximately 77 degrees in San Antonio, 74 degrees in Fredericksburg and 70 degrees in Rocksprings.
October 19–23: Temperatures Climb Toward 90°
The warming trend accelerates Monday, with San Antonio reaching 77 degrees before climbing to 83 degrees Tuesday.
Wednesday brings highs near 85 degrees, followed by 87 degrees Thursday and 88 degrees Friday.
Other communities could become even warmer, with Eagle Pass and Uvalde potentially reaching 91 degrees Friday.
Rain chances remain extremely limited, with most locations forecast to experience dry conditions throughout the upcoming week.
October 22–26 Extended Weather Outlook
NOAA's Climate Prediction Center favors above normal temperatures across much of Texas during October 22–26, supporting the expectation of unusually warm afternoons later next week.
The extended precipitation outlook favors above normal precipitation across western portions of Texas, while probabilities closer to normal extend into parts of South Central Texas.
This does not necessarily indicate widespread rainfall around San Antonio, where the shorter range forecast remains predominantly dry.
Residents should prepare for cooler mornings this weekend before warmer, late summerlike afternoon temperatures return next week.