Downing - Whitethorne Weather Forecast

    • 55
    • 88

    Increasing Clouds

    • 52
    • 82

    Mostly Cloudy

    • 48
    • 71

    Chance Rain

    • 47
    • 71

    Chance Rain

    • 41
    • 66

    Mostly Sunny

    • 45
    • 73

    Sunny

    • 48
    • 80

    Sunny

Today 29 Mar Santa Clara Valley Including San Jose

Sunny. Highs in the upper 80s. Northwest Winds 10 to 15 Mph.

Tonight 29 Mar Santa Clara Valley Including San Jose

Partly cloudy. Lows in the mid 50s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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Downing - Whitethorne Temperature Statistics

March Temperature

San Jose, San Jose International Airport (3.7 miles)

  • Lowest 11 March, 2026

    43.6 °F

  • Average March

    63.9 °F

  • Highest 20 March, 2026

    88.6 °F

Climate (2021–Present)

San Jose, San Jose International Airport (3.7 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    61.8 °F

  • Average High 2021–2026

    72.6 °F
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