Will I be cold?
Will I be cold in San Antonio in March?
Verdict
Maybe — Chilly at times.
Lows near 51°F — cool mornings and evenings, comfortable afternoons.
Day vs. night
Day
74°F
Warm
Breathable fabrics; sunscreen matters more than a jacket.
Night
51°F
Cool
You'll want a warm layer after sunset — not a heavy coat.
Why
San Antonio in March averages highs of 74°F, lows of 51°F, 8 rainy days.
Layering wins here. A packable puffer plus a base layer handles the cool end without overheating in the middle of the day.
See a full outfit plan for chilly evenings →
San Antonio in March outfit ideas from ForecastStyle.