Pack or skip
Packable down jacket for San Antonio in August
Verdict
Skip it
Lows around 76°F — you'll never reach for it.
Why
San Antonio in August averages highs of 97°F, lows of 76°F, 5 rainy days.
That climate means a packable down jacket isn't pulling its weight. Lows around 76°F — you'll never reach for it.