Sierra Vista Open Space Preserve Weather Forecast

    • 50
    • 64

    Mostly Cloudy

    • 46
    • 61

    Mostly Cloudy

    • 43
    • 59

    Partly Sunny

    • 42
    • 59

    Mostly Sunny

    • 41
    • 58

    Mostly Sunny

    • 44
    • 60

    Mostly Cloudy

    • 44
    • 61

    Mostly Cloudy

Today 20 Jan Eastern Santa Clara Hills

Partly cloudy late in the morning then becoming mostly cloudy. Highs in the lower 60s. South Winds around 5 Mph.

Tonight 20 Jan Eastern Santa Clara Hills

Mostly cloudy. Lows in the 40s to lower 50s. Light Winds. Becoming southwest around 5 Mph after midnight.

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Sierra Vista Open Space Preserve Temperature Statistics

January Temperature

San Jose / Reid / Hillv (4.3 miles)

  • Lowest 10 January, 2026

    32 °F

  • Average January

    55 °F

  • Highest 16 January, 2026

    71.6 °F

Climate (2021–Present)

San Jose / Reid / Hillv (4.3 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    63.5 °F

  • Average High 2021–2026

    72.1 °F
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