San Pablo Bay - Rat Rock Weather Forecast

    • 49
    • 53

    Rain Showers

    • 48
    • 53

    Mostly Cloudy

    • 44
    • 54

    Mostly Sunny

    • 43
    • 53

    Partly Sunny

    • 43
    • 51

    Mostly Sunny

    • 44
    • 53

    Partly Sunny

Today 5 Jan North Bay Interior Valleys

Rain in the Morning, then rain likely in the afternoon. Highs in the upper 40s to mid 50s. Southeast Winds 10 to 20 Mph.

Tonight 5 Jan North Bay Interior Valleys

Mostly cloudy. A chance of rain. Patchy fog after midnight. Lows in the 40s. East Winds 5 to 10 Mph.

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San Pablo Bay - Rat Rock Temperature Statistics

January Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 1 January, 2026

    48.2 °F

  • Average January

    54.2 °F

  • Highest 2 January, 2026

    59 °F

Climate (2021–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    72.3 °F
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