San Jose Weather Forecast
- 53
- 82
Mostly Cloudy
- 49
- 71
Chance Rain
- 47
- 71
Chance Rain
- 41
- 65
Mostly Sunny
- 45
- 73
Sunny
- 48
- 81
Sunny
Today 30 Mar Santa Clara Valley Including San Jose
Mostly cloudy. Highs in the lower 80s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.
Tonight 30 Mar Santa Clara Valley Including San Jose
Mostly cloudy. A slight chance of rain after midnight. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.
San Jose Temperature Statistics
March Temperature
San Jose, San Jose International Airport (1.9 miles)
Lowest 11 March, 2026
43.6 °FAverage March
63.9 °FHighest 20 March, 2026
88.6 °F
Climate (2021–Present)
San Jose, San Jose International Airport (1.9 miles)
Average Low 2021–2026
52.1 °FAverage 2021–2026
61.8 °FAverage High 2021–2026
72.6 °F