Downtown San Jose Weather Forecast
- 64
- 94
Sunny
- 65
- 95
Sunny
- 62
- 93
Sunny
- 61
- 92
Sunny
- 59
- 88
Mostly Sunny
- 54
- 81
Mostly Sunny
- 52
- 76
Mostly Sunny
Today 5 Oct Santa Clara Valley Including San Jose
Sunny. Highs 93 to 101. Northwest Winds 5 to 10 Mph.
Tonight 5 Oct Santa Clara Valley Including San Jose
Clear. Lows in the mid 60s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.
Downtown San Jose Temperature Statistics
October Temperature
San Jose, San Jose International Airport (2.5 miles)
Lowest 1 October, 2026
58.6 °FAverage October
72.6 °FHighest 3 October, 2026
93 °F
Climate (2021–2026)
San Jose, San Jose International Airport (2.5 miles)
Average Low 2021–2026
52.3 °FAverage 2021–2026
62.1 °FAverage High 2021–2026
72.8 °F