Will I be hot?
Will I be hot in San Jose in October?
Verdict
Maybe — Warm at times.
Highs around 76°F — comfortable in shade, warm in direct sun.
Day vs. night
Day
76°F
Warm
Breathable fabrics; sunscreen matters more than a jacket.
Night
53°F
Cool
You'll want a warm layer after sunset — not a heavy coat.
Why
San Jose in October averages highs of 76°F, lows of 53°F, 3 rainy days.
Bring a light layer for the shade and a hat for the sun — the difference between them can feel like 15°F.
See a full outfit plan for warm afternoons →
San Jose in October outfit ideas from ForecastStyle.