Castro City Weather Forecast

    • 59
    • 76

    Chance Rain

    • 56
    • 74

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 61
    • 82

    Partly Sunny

Today 3 Sep San Francisco Bay Shoreline

Mostly cloudy. A chance of rain in the morning. A slight chance of rain in the afternoon. Highs in the upper 60s to mid 70s. South Winds 10 to 15 Mph. Becoming southwest 10 to 20 Mph in the afternoon.

Tonight 3 Sep San Francisco Bay Shoreline

Partly cloudy. Lows in the upper 50s. South Winds up to 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Castro City Temperature Statistics

September Temperature

Palo Alto Airport (4.3 miles)

  • Lowest

    –

  • Average September

    –

  • Highest

    –

Climate (2021–2026)

Palo Alto Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    51.2 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    67.4 °F
Get WillyWeather+ to remove ads