Rancho San Antonio Open Space Preserve Weather Forecast

    • 49
    • 81

    Sunny

    • 46
    • 72

    Mostly Sunny

    • 45
    • 67

    Mostly Sunny

    • 46
    • 75

    Mostly Sunny

    • 48
    • 74

    Mostly Sunny

    • 49
    • 74

    Partly Sunny

Today 21 May Santa Cruz Mountains

Sunny. Highs in the upper 60s to lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 21 May Santa Cruz Mountains

Mostly clear. Lows near 50. Northwest Winds 5 to 10 Mph with Gusts to around 25 Mph.

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Rancho San Antonio Open Space Preserve Temperature Statistics

May Temperature

Palo Alto Airport (8.7 miles)

  • Lowest 14 May, 2025

    50 °F

  • Average May

    63.9 °F

  • Highest 5 May, 2025

    82.4 °F

Climate (2020–Present)

Palo Alto Airport (8.7 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    67.4 °F
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