Downing - Whitethorne Weather Forecast

    • 51
    • 70

    Decreasing Clouds

    • 49
    • 75

    Mostly Sunny

    • 54
    • 84

    Sunny

    • 55
    • 87

    Mostly Sunny

    • 54
    • 85

    Partly Sunny

    • 55
    • 84

    Mostly Sunny

Today 29 May Santa Clara Valley Including San Jose

Partly cloudy. Highs around 70. Southwest Winds up to 5 Mph. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 29 May Santa Clara Valley Including San Jose

Partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Northwest Winds 5 to 15 Mph decreasing to up to 5 Mph after midnight.

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Downing - Whitethorne Temperature Statistics

May Temperature

San Jose, San Jose International Airport (3.7 miles)

  • Lowest 4 May, 2026

    48.7 °F

  • Average May

    64.5 °F

  • Highest 19 May, 2026

    87.7 °F

Climate (2021–Present)

San Jose, San Jose International Airport (3.7 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    61.9 °F

  • Average High 2021–2026

    72.7 °F
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