Sierra Vista Open Space Preserve Weather Forecast

    • 51
    • 77

    Becoming Sunny

    • 51
    • 76

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 49
    • 73

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

Today 21 Mar Eastern Santa Clara Hills

Partly cloudy. Highs in the mid 70s. Northwest Winds 5 to 15 Mph.

Tonight 21 Mar Eastern Santa Clara Hills

Mostly clear. Lows in the 40s to mid 50s. Northwest Winds 5 to 15 Mph.

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Sierra Vista Open Space Preserve Temperature Statistics

March Temperature

San Jose / Reid / Hillv (4.3 miles)

  • Lowest 11 March, 2026

    44.6 °F

  • Average March

    64.9 °F

  • Highest 18 March, 2026

    89.6 °F

Climate (2021–Present)

San Jose / Reid / Hillv (4.3 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    63.6 °F

  • Average High 2021–2026

    72.3 °F
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