Monticello Weather Forecast
- 54
- 78
Sunny
- 55
- 83
Sunny
- 55
- 81
Mostly Sunny
- 55
- 82
Mostly Sunny
- 54
- 78
Partly Sunny
- 53
- 74
Partly Sunny
Today 17 Oct Santa Clara Valley Including San Jose
Sunny. Highs in the mid 70s to lower 80s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.
Tonight 17 Oct Santa Clara Valley Including San Jose
Clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Becoming southeast after midnight.
Monticello Temperature Statistics
October Temperature
San Jose / Reid / Hillv (3.1 miles)
Lowest 12 October, 2025
51.8 °FAverage October
66.4 °FHighest 7 October, 2025
87.8 °F
Climate (2020–Present)
San Jose / Reid / Hillv (3.1 miles)
Average Low 2020–2025
51.5 °FAverage 2020–2025
63.5 °FAverage High 2020–2025
72.1 °F