San Pablo Bay - Rat Rock Weather Forecast

    • 53
    • 62

    Rain Showers Likely

    • 53
    • 67

    Mostly Sunny

    • 52
    • 68

    Mostly Sunny

    • 53
    • 68

    Partly Sunny

    • 52
    • 67

    Partly Sunny

    • 52
    • 66

    Partly Sunny

    • 53
    • 65

    Partly Sunny

Today 22 Oct North Bay Interior Valleys

Showers likely. Highs in the upper 50s to lower 70s. West Winds 10 to 15 Mph.

Tonight 22 Oct North Bay Interior Valleys

Mostly cloudy in the evening then becoming partly cloudy. Patchy fog. Lows in the lower 40s to mid 50s. West Winds 5 to 10 Mph.

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San Pablo Bay - Rat Rock Temperature Statistics

October Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 13 October, 2026

    42.8 °F

  • Average October

    63.3 °F

  • Highest 3 October, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    72.6 °F
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