San Jose Weather Forecast

    • 47
    • 70

    Increasing Clouds

    • 50
    • 71

    Mostly Cloudy

    • 49
    • 69

    Rain Showers

    • 47
    • 68

    Slight Chance Rain Showers

    • 45
    • 71

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

Today 19 Oct Santa Clara Valley Including San Jose

Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 70s. Northwest Winds 5 to 15 Mph.

Tonight 19 Oct Santa Clara Valley Including San Jose

Mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Northwest Winds 5 to 15 Mph. Becoming southwest up to 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Jose Temperature Statistics

October Temperature

San Jose, San Jose International Airport (1.9 miles)

  • Lowest 11 October, 2026

    47.6 °F

  • Average October

    70.8 °F

  • Highest 4 October, 2026

    94.6 °F

Climate (2021–2026)

San Jose, San Jose International Airport (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    62.2 °F

  • Average High 2021–2026

    72.9 °F
Get WillyWeather+ to remove ads