San Jose Weather Forecast
- 62
- 86
Mostly Cloudy
- 60
- 85
Partly Sunny
- 61
- 83
Partly Sunny
- 62
- 85
Mostly Sunny
- 61
- 84
Partly Sunny
- 59
- 82
Partly Sunny
- 58
- 82
Partly Sunny
Today 23 Aug Santa Clara Valley Including San Jose
Partly cloudy. Highs in the lower 80s to mid 90s. West Winds 5 to 10 Mph.
Tonight 23 Aug Santa Clara Valley Including San Jose
Mostly cloudy. Lows around 60. West Winds 5 to 10 Mph. Becoming southeast after midnight.
San Jose Temperature Statistics
August Temperature
San Jose, San Jose International Airport (1.9 miles)
Lowest 4 August, 2026
58.6 °FAverage August
70.7 °FHighest 3 August, 2026
91.7 °F
Climate (2021–2026)
San Jose, San Jose International Airport (1.9 miles)
Average Low 2021–2026
52.3 °FAverage 2021–2026
62.1 °FAverage High 2021–2026
72.8 °F