Castro City Weather Forecast

    • 52
    • 69

    Rain Showers Likely

    • 48
    • 71

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

    • 51
    • 75

    Partly Sunny

    • 50
    • 73

    Partly Sunny

    • 51
    • 73

    Partly Sunny

Today 22 Oct San Francisco Bay Shoreline

Patchy fog in the morning. A chance of Showers in the Morning, then Showers likely in the afternoon. Highs in the mid 60s to lower 70s. South Winds up to 5 Mph. Becoming southwest 5 to 15 Mph in the afternoon.

Tonight 22 Oct San Francisco Bay Shoreline

Mostly cloudy. Lows in the mid 50s. West Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castro City Temperature Statistics

October Temperature

Palo Alto Airport (4.3 miles)

  • Lowest 14 October, 2026

    44.6 °F

  • Average October

    66.9 °F

  • Highest 4 October, 2026

    86 °F

Climate (2021–2026)

Palo Alto Airport (4.3 miles)

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  • Average Low 2021–2026

    51.2 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    67.5 °F
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