San Antonio, TX – Drivers on I-35 and across the San Antonio area should prepare for foggy conditions early Sunday morning as clouds dominate the start of the day. A gradual clearing trend by afternoon will bring temperatures soaring toward 87°F, offering a preview of a warm and mostly sunny week ahead.
According to the National Weather Service in Austin/San Antonio, patchy fog will linger through mid-morning Sunday, especially near low-lying areas and major highways like I-10 and I-35. Motorists are advised to use low beams and reduce speed during early commutes. By midday, skies will begin clearing, and calm southeast winds of 5 mph will accompany the rising temps.
Sunday night will bring mostly clear skies with a low around 64°F and a light northwest breeze. Monday looks dry and sunny with highs near 84°F and slightly stronger winds from the northeast shifting southeast in the afternoon.
Here’s your extended five-day forecast for San Antonio:
- Monday: Sunny, high of 84°F, low of 58°F.
- Tuesday: Mostly sunny and warmer, high of 85°F, low around 70°F.
- Wednesday: Clear skies, with highs jumping to 91°F.
- Thursday: Hot again, high near 90°F, slight rain chance (20%).
- Friday: Scattered showers possible, high near 90°F, partly sunny skies.




