Portola State Park Weather Forecast

    • 39
    • 53

    Mostly Cloudy

    • 43
    • 55

    Mostly Cloudy

    • 50
    • 56

    Rain Likely

    • 53
    • 60

    Rain Likely

    • 50
    • 59

    Chance Rain

    • 47
    • 57

    Rain

Today 29 Jan Santa Cruz Mountains

Mostly cloudy in the morning then becoming partly cloudy. Areas of fog in the morning. Highs in the upper 40s to mid 50s. Light Winds. Becoming west around 5 Mph in the afternoon.

Tonight 29 Jan Santa Cruz Mountains

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the upper 30s. Northwest Winds up to 5 Mph.

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Portola State Park Temperature Statistics

January Temperature

Palo Alto Airport (14.9 miles)

  • Lowest 27 January, 2025

    30.2 °F

  • Average January

    52.3 °F

  • Highest 9 January, 2025

    71.6 °F

Climate (2020–Present)

Palo Alto Airport (14.9 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    67.5 °F
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