Monticello Weather Forecast
- 60
- 94
Sunny
- 61
- 94
Sunny
- 59
- 95
Mostly Sunny
- 52
- 86
Partly Sunny
- 51
- 83
Partly Sunny
- 52
- 82
Mostly Cloudy
Today 18 Mar Santa Clara Valley Including San Jose
Sunny. Highs in the lower 90s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.
Tonight 18 Mar Santa Clara Valley Including San Jose
Mostly clear. Lows in the lower to mid 50s. Light Winds.
Monticello Temperature Statistics
March Temperature
San Jose / Reid / Hillv (3.1 miles)
Lowest 11 March, 2026
44.6 °FAverage March
63.4 °FHighest 16 March, 2026
86 °F
Climate (2021–Present)
San Jose / Reid / Hillv (3.1 miles)
Average Low 2021–2026
51.8 °FAverage 2021–2026
63.6 °FAverage High 2021–2026
72.2 °F