Sunnyvale Weather Forecast
- 56
- 79
Mostly Sunny
- 56
- 76
Mostly Sunny
- 56
- 78
Partly Sunny
- 59
- 78
Mostly Cloudy
- 60
- 78
Mostly Cloudy
- 60
- 80
Partly Sunny
- 59
- 80
Mostly Sunny
Today 16 Jul Santa Clara Valley Including San Jose
Sunny. Highs in the 80s to lower 90s. Northwest Winds 10 to 15 Mph.
Tonight 16 Jul Santa Clara Valley Including San Jose
Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 15 Mph.
Sunnyvale Temperature Statistics
July Temperature
San Jose, San Jose International Airport (6.2 miles)
Lowest 3 July, 2026
55.7 °FAverage July
69.3 °FHighest 14 July, 2026
93.9 °F
Climate (2021–2026)
San Jose, San Jose International Airport (6.2 miles)
Average Low 2021–2026
52.2 °FAverage 2021–2026
62 °FAverage High 2021–2026
72.8 °F