Downtown San Jose Weather Forecast

    • 59
    • 88

    Becoming Sunny

    • 58
    • 86

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

Today 29 Jun Santa Clara Valley Including San Jose

Sunny. Highs in the mid 80s to lower 90s. South Winds around 5 Mph. Becoming northwest in the afternoon.

Tonight 29 Jun Santa Clara Valley Including San Jose

Mostly clear. Lows in the upper 50s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown San Jose Temperature Statistics

June Temperature

San Jose, San Jose International Airport (2.5 miles)

  • Lowest 16 June, 2025

    51.7 °F

  • Average June

    64.9 °F

  • Highest 18 June, 2025

    83.6 °F

Climate (2020–Present)

San Jose, San Jose International Airport (2.5 miles)

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

  • Average Low 2020–2025

    51.8 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.6 °F
Get WillyWeather+ to remove ads