Castro Park Weather Forecast

    • 53
    • 81

    Increasing Clouds

    • 53
    • 75

    Partly Sunny

    • 50
    • 71

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

Today 11 May San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the 70s to lower 80s. Northwest Winds 5 to 15 Mph.

Tonight 11 May San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. Northwest Winds 5 to 15 Mph.

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Castro Park Temperature Statistics

May Temperature

Palo Alto Airport (5 miles)

  • Lowest 4 May, 2026

    48.2 °F

  • Average May

    60.8 °F

  • Highest 6 May, 2026

    71.6 °F

Climate (2021–Present)

Palo Alto Airport (5 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    60.6 °F

  • Average High 2021–2026

    67.3 °F
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