San Jose Weather Forecast
- 43
- 70
Mostly Cloudy
- 43
- 72
Partly Sunny
- 43
- 68
Mostly Cloudy
- 43
- 67
Mostly Sunny
- 44
- 71
Sunny
- 46
- 74
Sunny
Today 30 Jan Santa Clara Valley Including San Jose
Partly cloudy. Highs around 70. Light Winds. Becoming northwest around 5 Mph in the afternoon.
Tonight 30 Jan Santa Clara Valley Including San Jose
Mostly cloudy. Lows in the mid 40s. North Winds around 5 Mph in the evening. Becoming light.
San Jose Temperature Statistics
January Temperature
San Jose, San Jose International Airport (1.9 miles)
Lowest 10 January, 2026
34.6 °FAverage January
53.5 °FHighest 16 January, 2026
71.7 °F
Climate (2021–Present)
San Jose, San Jose International Airport (1.9 miles)
Average Low 2021–2026
52 °FAverage 2021–2026
61.6 °FAverage High 2021–2026
72.4 °F