Portola State Park Weather Forecast

    • 46
    • 70

    Increasing Clouds

    • 47
    • 63

    Partly Sunny

    • 49
    • 70

    Mostly Sunny

    • 48
    • 75

    Mostly Sunny

    • 48
    • 67

    Mostly Sunny

    • 47
    • 66

    Mostly Sunny

Today 15 Jun Santa Cruz Mountains

Partly cloudy in the morning then becoming sunny. Highs in the mid 60s to upper 70s. West Winds around 5 Mph.

Tonight 15 Jun Santa Cruz Mountains

Mostly clear. Lows in the 40s to mid 50s. Northwest Winds 5 to 10 Mph.

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Portola State Park Temperature Statistics

June Temperature

Palo Alto Airport (14.9 miles)

  • Lowest 2 June, 2025

    53.6 °F

  • Average June

    63.5 °F

  • Highest 5 June, 2025

    73.4 °F

Climate (2020–Present)

Palo Alto Airport (14.9 miles)

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  • Average Low 2020–2025

    51.1 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    67.3 °F
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