Cinco de Mayo Weather Forecast

    • 43
    • 62

    Mostly Sunny

    • 45
    • 63

    Increasing Clouds

    • 46
    • 65

    Patchy Fog

    • 46
    • 65

    Partly Sunny

    • 48
    • 67

    Partly Sunny

    • 48
    • 68

    Mostly Sunny

    • 48
    • 68

    Mostly Sunny

Today 5 Dec Santa Clara Valley Including San Jose

Sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 5 Dec Santa Clara Valley Including San Jose

Mostly clear. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cinco de Mayo Temperature Statistics

December Temperature

San Jose, San Jose International Airport (3.7 miles)

  • Lowest 2 December, 2025

    39.9 °F

  • Average December

    50.8 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

San Jose, San Jose International Airport (3.7 miles)

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

  • Average Low 2020–2025

    51.9 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.4 °F
Get WillyWeather+ to remove ads