San Antonio, Texas – Drivers and residents across South Central Texas will step into October under unrelenting heat and stagnant air, pushing air quality alerts into focus this week. With highs nearing the mid-90s and little relief expected, San Antonio residents are being urged to take precautions outdoors.
According to the National Weather Service, temperatures will climb into the low-90s Tuesday before peaking near 96 degrees Wednesday, with calm winds limiting air circulation. That combination could worsen ozone levels and make conditions risky for sensitive groups, including children, seniors, and anyone with respiratory conditions.
Interstate 35 and surrounding highways may see heavier congestion as drivers contend with heat stress on vehicles. City officials recommend checking coolant systems, keeping water in cars, and limiting mid-day travel when pavement temperatures soar. Outdoor workers should stay hydrated and pace activity, especially between 1 p.m. and 5 p.m. when heat peaks.
While sunny skies dominate, the early October pattern offers little relief in sight. Nights will stay warm, holding in the upper 60s to low 70s, preventing homes and roads from cooling down. The persistence of heat could strain air conditioners as residents extend summer-like energy demand into fall.
Hot and stagnant conditions are expected to persist through late week, with only minor breezes developing by Thursday. Air quality alerts remain in place for the region, and updates could extend into the weekend.
Five-Day Forecast for San Antonio, Texas:
- Tuesday: Sunny, high near 94°F, light northeast wind.
- Wednesday: Sunny, high near 96°F, calm wind.
- Thursday: Sunny, high near 96°F, light east wind.
- Friday: Sunny, high near 93°F, mostly clear overnight.
- Saturday: Sunny, high near 93°F, lows in the low 70s.