Castro Park Weather Forecast

    • 58
    • 81

    Mostly Sunny

    • 56
    • 79

    Increasing Clouds

    • 55
    • 70

    Mostly Cloudy

    • 54
    • 72

    Partly Sunny

    • 57
    • 72

    Slight Chance Rain

    • 55
    • 69

    Chance Rain

    • 56
    • 68

    Chance Rain

Today 20 Oct San Francisco Bay Shoreline

Sunny. Highs near 80. North Winds 5 to 10 Mph.

Tonight 20 Oct San Francisco Bay Shoreline

Mostly clear. Lows in the upper 50s. Northwest Winds 5 to 10 Mph. Becoming northeast after midnight.

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Castro Park Temperature Statistics

October Temperature

Palo Alto Airport (5 miles)

  • Lowest 14 October, 2025

    44.6 °F

  • Average October

    64.9 °F

  • Highest 6 October, 2025

    84.2 °F

Climate (2020–Present)

Palo Alto Airport (5 miles)

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  • Average Low 2020–2025

    50.7 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    67.1 °F
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