Downing - Whitethorne Weather Forecast

    • 45
    • 64

    Mostly Cloudy

    • 43
    • 64

    Mostly Cloudy

    • 41
    • 62

    Partly Sunny

    • 39
    • 62

    Partly Sunny

    • 42
    • 64

    Mostly Cloudy

    • 42
    • 65

    Partly Sunny

Today 21 Jan Santa Clara Valley Including San Jose

Cloudy. Highs in the mid 60s. Light Winds. Becoming northwest around 5 Mph in the afternoon.

Tonight 21 Jan Santa Clara Valley Including San Jose

Mostly cloudy. Lows in the upper 40s. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Downing - Whitethorne Temperature Statistics

January Temperature

San Jose, San Jose International Airport (3.7 miles)

  • Lowest 10 January, 2026

    35.1 °F

  • Average January

    52.5 °F

  • Highest 16 January, 2026

    71.1 °F

Climate (2021–Present)

San Jose, San Jose International Airport (3.7 miles)

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

  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    72.4 °F
Get WillyWeather+ to remove ads