San Francisco Bay - Castro Point Weather Forecast

    • 48
    • 51

    Increasing Clouds

    • 53
    • 54

    Rain

    • 55
    • 57

    Rain

    • 52
    • 57

    Rain Likely

    • 50
    • 54

    Rain

    • 48
    • 53

    Rain

Today 30 Jan San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the mid 50s. Light Winds. Becoming west around 5 Mph in the afternoon.

Tonight 30 Jan San Francisco Bay Shoreline

Mostly cloudy. A chance of rain after midnight. Lows in the mid 40s. South Winds around 5 Mph.

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San Francisco Bay - Castro Point Temperature Statistics

January Temperature

Novato / Gnoss Field (16.2 miles)

  • Lowest 21 January, 2025

    32 °F

  • Average January

    49.4 °F

  • Highest 7 January, 2025

    71.6 °F

Climate (2020–Present)

Novato / Gnoss Field (16.2 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    72.8 °F
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