Thornewood Open Space Preserve Weather Forecast

    • 53
    • 72

    Decreasing Clouds

    • 53
    • 76

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 55
    • 82

    Sunny

    • 55
    • 84

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

Today 17 Aug Santa Cruz Mountains

Partly cloudy in the morning then becoming sunny. Highs in the 60s to mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 17 Aug Santa Cruz Mountains

Mostly clear in the evening then becoming partly cloudy. Lows in the 50s. Northwest Winds 5 to 10 Mph.

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Thornewood Open Space Preserve Temperature Statistics

August Temperature

San Carlos Airport (8.7 miles)

  • Lowest 2 August, 2025

    57.2 °F

  • Average August

    68.5 °F

  • Highest 6 August, 2025

    87.8 °F

Climate (2020–Present)

San Carlos Airport (8.7 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    56.5 °F

  • Average High 2020–2025

    68.2 °F
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