Campbell Weather Forecast
- 45
- 63
Mostly Sunny
- 47
- 69
Mostly Sunny
- 46
- 71
Mostly Sunny
- 45
- 70
Mostly Sunny
- 45
- 68
Partly Sunny
- 46
- 66
Partly Sunny
- 49
- 67
Slight Chance Rain
Today 9 Dec Santa Clara Valley Including San Jose
Sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.
Tonight 9 Dec Santa Clara Valley Including San Jose
Mostly clear. Lows in the lower 40s. Northwest Winds 5 to 10 Mph.
Campbell Temperature Statistics
December Temperature
San Jose, San Jose International Airport (5 miles)
Lowest 2 December, 2025
39.9 °FAverage December
49.4 °FHighest 3 December, 2025
64.9 °F
Climate (2020–Present)
San Jose, San Jose International Airport (5 miles)
Average Low 2020–2025
51.9 °FAverage 2020–2025
61.5 °FAverage High 2020–2025
72.4 °F