Sierra Weather Forecast
- 55
- 79
Mostly Sunny
- 56
- 82
Mostly Sunny
- 55
- 85
Mostly Sunny
- 51
- 77
Mostly Sunny
- 53
- 79
Mostly Sunny
- 55
- 77
Partly Sunny
- 54
- 79
Mostly Sunny
Today 3 Jun Santa Clara Valley Including San Jose
Sunny. Highs near 80. Northwest Winds 10 to 15 Mph.
Tonight 3 Jun Santa Clara Valley Including San Jose
Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 15 Mph.
Sierra Temperature Statistics
June Temperature
San Jose / Reid / Hillv (1.9 miles)
Lowest 1 June, 2026
57.2 °FAverage June
76.1 °FHighest 1 June, 2026
87.8 °F
Climate (2021–Present)
San Jose / Reid / Hillv (1.9 miles)
Average Low 2021–2026
52 °FAverage 2021–2026
63.7 °FAverage High 2021–2026
72.3 °F