San Francisco Bay - Castro Point Weather Forecast

    • 53
    • 56

    Rain Likely

    • 56
    • 56

    Rain

    • 54
    • 58

    Rain

    • 51
    • 55

    Rain

    • 47
    • 52

    Rain

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    • 52

    Chance Rain

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    • 51

    Chance Rain

Today 1 Jan San Francisco Bay Shoreline

Showers and a slight chance of Thunderstorms. Highs in the lower 60s. South Winds 10 to 20 Mph.

Tonight 1 Jan San Francisco Bay Shoreline

Mostly cloudy. Showers likely in the Evening, then a chance of Showers after midnight. Lows in the lower 50s. Southeast Winds 10 to 20 Mph.

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San Francisco Bay - Castro Point Temperature Statistics

January Temperature

Novato / Gnoss Field (16.2 miles)

  • Lowest

  • Average January

  • Highest

Climate (2021–Present)

Novato / Gnoss Field (16.2 miles)

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  • Average Low 2021–2025

    46.3 °F
  • Average 2021–2025

    57.4 °F
  • Average High 2021–2025

    72.3 °F
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