Sierra Vista Open Space Preserve Weather Forecast

    • 54
    • 76

    Sunny

    • 56
    • 81

    Increasing Clouds

    • 53
    • 79

    Partly Sunny

    • 51
    • 76

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

Today 31 May Eastern Santa Clara Hills

Sunny. Highs in the lower 70s. Northwest Winds 5 to 10 Mph.

Tonight 31 May Eastern Santa Clara Hills

Clear. Lows in the upper 40s to lower 60s. Northwest Winds 5 to 10 Mph.

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Sierra Vista Open Space Preserve Temperature Statistics

May Temperature

San Jose / Reid / Hillv (4.3 miles)

  • Lowest 4 May, 2026

    50 °F

  • Average May

    66.7 °F

  • Highest 21 May, 2026

    89.6 °F

Climate (2021–Present)

San Jose / Reid / Hillv (4.3 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    72.3 °F
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