San Pablo Bay - Rat Rock Weather Forecast

    • 51
    • 58

    Increasing Clouds

    • 52
    • 56

    Rain

    • 48
    • 55

    Chance Rain

    • 49
    • 59

    Mostly Sunny

    • 49
    • 58

    Mostly Sunny

    • 50
    • 59

    Partly Sunny

Today 18 Nov North Bay Interior Valleys

Sunny. Patchy fog in the morning. Highs in the 50s to mid 60s. West Winds 10 to 15 Mph.

Tonight 18 Nov North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the 40s to lower 50s. Southwest Winds 10 to 15 Mph. Becoming northeast up to 5 Mph after midnight.

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San Pablo Bay - Rat Rock Temperature Statistics

November Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 1 November, 2025

    42.8 °F

  • Average November

    59.2 °F

  • Highest 10 November, 2025

    82.4 °F

Climate (2020–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.4 °F
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