Sierra Vista Open Space Preserve Weather Forecast

    • 68
    • 92

    Sunny

    • 68
    • 93

    Sunny

    • 66
    • 92

    Sunny

    • 64
    • 90

    Sunny

    • 61
    • 87

    Sunny

    • 52
    • 78

    Mostly Sunny

Today 5 Oct Eastern Santa Clara Hills

Sunny. Highs in the upper 80s. Northeast Winds around 5 Mph.

Tonight 5 Oct Eastern Santa Clara Hills

Clear. Lows in the 60s to 70s. Northwest Winds around 5 Mph.

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Sierra Vista Open Space Preserve Temperature Statistics

October Temperature

San Jose / Reid / Hillv (4.3 miles)

  • Lowest 1 October, 2026

    57.2 °F

  • Average October

    75.5 °F

  • Highest 3 October, 2026

    96.8 °F

Climate (2021–2026)

San Jose / Reid / Hillv (4.3 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    72.2 °F
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