San Pablo Bay - Rat Rock Weather Forecast

    • 53
    • 56

    Rain Showers

    • 50
    • 55

    Rain Showers

    • 48
    • 52

    Rain Showers

    • 47
    • 52

    Chance Rain Showers

    • 44
    • 52

    Chance Rain Showers

    • 41
    • 51

    Mostly Sunny

    • 41
    • 50

    Mostly Sunny

Today 3 Jan North Bay Interior Valleys

Breezy. Showers and a slight chance of Thunderstorms. Highs in the 50s. South Winds 20 to 30 Mph.

Tonight 3 Jan North Bay Interior Valleys

Showers and a slight chance of Thunderstorms. Lows near 50. South Winds 10 to 20 Mph with Gusts to around 35 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

    52.4 °F

  • Highest 1 January, 2026

    55.4 °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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