Campbell Weather Forecast
- 52
- 70
Slight Chance Rain
- 50
- 71
Partly Sunny
- 52
- 73
Mostly Sunny
- 55
- 79
Mostly Sunny
- 55
- 81
Mostly Sunny
- 54
- 80
Mostly Sunny
Today 25 Oct Santa Clara Valley Including San Jose
Mostly cloudy. Patchy fog in the morning. A chance of rain in the morning. Highs in the upper 60s. Southeast Winds around 5 Mph. Becoming northwest in the afternoon.
Tonight 25 Oct Santa Clara Valley Including San Jose
Cloudy. Patchy fog. A chance of rain. Lows in the lower 50s. Light Winds.
Campbell Temperature Statistics
October Temperature
San Jose, San Jose International Airport (5 miles)
Lowest 14 October, 2025
48.9 °FAverage October
63.8 °FHighest 6 October, 2025
86 °F
Climate (2020–Present)
San Jose, San Jose International Airport (5 miles)
Average Low 2020–2025
51.8 °FAverage 2020–2025
61.5 °FAverage High 2020–2025
72.4 °F