Sierra Vista Open Space Preserve Weather Forecast

    • 59
    • 82

    Sunny

    • 67
    • 87

    Partly Sunny

    • 71
    • 92

    Partly Sunny

    • 65
    • 90

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

Today 7 Sep Eastern Santa Clara Hills

Sunny. Highs in the upper 70s. Southeast Winds up to 5 Mph.

Tonight 7 Sep Eastern Santa Clara Hills

Clear. Lows in the 50s to upper 60s. Northwest Winds around 5 Mph in the evening. Becoming light.

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Sierra Vista Open Space Preserve Temperature Statistics

September Temperature

San Jose / Reid / Hillv (4.3 miles)

  • Lowest 5 September, 2026

    55.4 °F

  • Average September

    70 °F

  • Highest 5 September, 2026

    80.6 °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

    72.2 °F
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