Downing - Whitethorne Weather Forecast

    • 51
    • 74

    Decreasing Clouds

    • 54
    • 73

    Mostly Cloudy

    • 51
    • 70

    Chance Rain

    • 54
    • 70

    Slight Chance Rain

    • 54
    • 73

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

Today 23 Oct Santa Clara Valley Including San Jose

Mostly cloudy in the morning then becoming sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 23 Oct Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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Downing - Whitethorne Temperature Statistics

October Temperature

San Jose, San Jose International Airport (3.7 miles)

  • Lowest 14 October, 2025

    48.9 °F

  • Average October

    64 °F

  • Highest 6 October, 2025

    86 °F

Climate (2020–Present)

San Jose, San Jose International Airport (3.7 miles)

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  • Average Low 2020–2025

    51.8 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.4 °F
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