Sierra Vista Open Space Preserve Weather Forecast

    • 51
    • 71

    Becoming Sunny

    • 52
    • 74

    Mostly Sunny

    • 53
    • 76

    Sunny

    • 60
    • 82

    Sunny

    • 61
    • 87

    Mostly Sunny

    • 62
    • 87

    Mostly Sunny

Today 17 Aug Eastern Santa Clara Hills

Sunny. Highs in the lower 70s. West Winds 5 to 15 Mph.

Tonight 17 Aug Eastern Santa Clara Hills

Clear. Lows in the 50s to lower 60s. West Winds 10 to 15 Mph.

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Sierra Vista Open Space Preserve Temperature Statistics

August Temperature

San Jose / Reid / Hillv (4.3 miles)

  • Lowest 4 August, 2025

    55.4 °F

  • Average August

    74.2 °F

  • Highest 8 August, 2025

    95 °F

Climate (2020–Present)

San Jose / Reid / Hillv (4.3 miles)

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  • Average Low 2020–2025

    51.5 °F

  • Average 2020–2025

    63.5 °F

  • Average High 2020–2025

    72.3 °F
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