Sierra Vista Open Space Preserve Weather Forecast

    • 48
    • 73

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 62
    • 87

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

Today 7 May Eastern Santa Clara Hills

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

Tonight 7 May Eastern Santa Clara Hills

Mostly clear. Lows in the 40s to lower 50s. West 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

    61.9 °F

  • Highest 1 May, 2026

    73.4 °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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