Sierra Vista Open Space Preserve Weather Forecast

    • 42
    • 64

    Increasing Clouds

    • 48
    • 64

    Rain Showers Likely

    • 47
    • 62

    Rain Showers

    • 44
    • 61

    Chance Rain Showers

    • 43
    • 64

    Sunny

    • 46
    • 66

    Mostly Sunny

Today 19 Oct Eastern Santa Clara Hills

Sunny in the morning then becoming partly cloudy. Highs in the lower 60s. Southwest Winds 5 to 10 Mph.

Tonight 19 Oct Eastern Santa Clara Hills

Mostly cloudy. Lows in the mid 30s to upper 40s. Southwest 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 11 October, 2026

    48.2 °F

  • Average October

    74.6 °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

    63.8 °F

  • Average High 2021–2026

    72.3 °F
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