Will I be cold?
Will I be cold in San Jose in March?
Verdict
Maybe — Chilly at times.
Lows near 47°F — cool mornings and evenings, comfortable afternoons.
Day vs. night
Day
66°F
Comfortable
A T-shirt and a light overshirt is enough.
Night
47°F
Cool
You'll want a warm layer after sunset — not a heavy coat.
Why
San Jose in March averages highs of 66°F, lows of 47°F, 7 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 Jose in March outfit ideas from ForecastStyle.