Downing - Whitethorne Weather Forecast

    • 58
    • 79

    Becoming Sunny

    • 59
    • 82

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

    • 58
    • 82

    Partly Sunny

    • 58
    • 81

    Partly Sunny

    • 59
    • 83

    Partly Sunny

Today 21 Aug Santa Clara Valley Including San Jose

Cloudy in the morning then becoming partly cloudy. Highs in the 70s to mid 80s. Northwest Winds 5 to 15 Mph.

Tonight 21 Aug Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. Northwest Winds 5 to 15 Mph.

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Downing - Whitethorne Temperature Statistics

August Temperature

San Jose, San Jose International Airport (3.7 miles)

  • Lowest 4 August, 2026

    58.6 °F

  • Average August

    70.9 °F

  • Highest 3 August, 2026

    91.7 °F

Climate (2021–2026)

San Jose, San Jose International Airport (3.7 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    72.8 °F
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