Sierra Vista Open Space Preserve Weather Forecast

    • 53
    • 76

    Becoming Sunny

    • 50
    • 78

    Mostly Sunny

    • 49
    • 74

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

Today 29 Jun Eastern Santa Clara Hills

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

Tonight 29 Jun Eastern Santa Clara Hills

Mostly clear. Lows in the 50s to lower 60s. West Winds 5 to 10 Mph.

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Sierra Vista Open Space Preserve Temperature Statistics

June Temperature

San Jose / Reid / Hillv (4.3 miles)

  • Lowest 2 June, 2026

    53.6 °F

  • Average June

    71.9 °F

  • Highest 11 June, 2026

    96.8 °F

Climate (2021–2026)

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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