Portola State Park Weather Forecast

    • 46
    • 59

    Rain

    • 48
    • 59

    Rain Likely

    • 49
    • 65

    Mostly Sunny

    • 51
    • 67

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

Today 13 Oct Santa Cruz Mountains

A chance of rain in the Morning, then Showers and a slight chance of Thunderstorms in the afternoon. Highs in the 50s to lower 60s. Southwest Winds 10 to 20 Mph.

Tonight 13 Oct Santa Cruz Mountains

Showers and a slight chance of Thunderstorms in the Evening, then rain likely after midnight. Patchy fog after midnight. Lows in the mid 40s. Northwest Winds 10 to 20 Mph becoming south 5 to 10 Mph after midnight.

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Portola State Park Temperature Statistics

October Temperature

Palo Alto Airport (14.9 miles)

  • Lowest 4 October, 2025

    51.8 °F

  • Average October

    67.2 °F

  • Highest 6 October, 2025

    84.2 °F

Climate (2020–Present)

Palo Alto Airport (14.9 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    67.2 °F
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