Downing - Whitethorne Weather Forecast

    • 47
    • 70

    Increasing Clouds

    • 40
    • 66

    Mostly Sunny

    • 43
    • 66

    Sunny

    • 44
    • 70

    Sunny

    • 47
    • 74

    Sunny

    • 48
    • 78

    Mostly Sunny

    • 47
    • 75

    Mostly Cloudy

Today 3 Mar Santa Clara Valley Including San Jose

Partly cloudy late in the morning then becoming sunny. Highs in the upper 60s. Northwest Winds 5 to 10 Mph.

Tonight 3 Mar Santa Clara Valley Including San Jose

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. Northwest Winds 5 to 10 Mph.

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Downing - Whitethorne Temperature Statistics

March Temperature

San Jose, San Jose International Airport (3.7 miles)

  • Lowest 1 March, 2026

    54 °F

  • Average March

    59.2 °F

  • Highest 1 March, 2026

    68 °F

Climate (2021–Present)

San Jose, San Jose International Airport (3.7 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    72.5 °F
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