Downtown San Jose Weather Forecast
- 54
- 80
Mostly Sunny
- 54
- 83
Mostly Sunny
- 56
- 81
Mostly Sunny
- 58
- 83
Mostly Sunny
- 59
- 89
Sunny
- 58
- 89
Sunny
- 58
- 86
Mostly Sunny
Today 6 Jul Santa Clara Valley Including San Jose
Sunny. Highs in the upper 70s to mid 80s. West Winds 5 to 15 Mph.
Tonight 6 Jul Santa Clara Valley Including San Jose
Clear in the evening then becoming partly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph. Becoming southeast after midnight.
Downtown San Jose Temperature Statistics
July Temperature
San Jose, San Jose International Airport (2.5 miles)
Lowest 3 July, 2025
54 °FAverage July
65.2 °FHighest 1 July, 2025
82 °F
Climate (2020–Present)
San Jose, San Jose International Airport (2.5 miles)
Average Low 2020–2025
51.8 °FAverage 2020–2025
61.5 °FAverage High 2020–2025
72.6 °F