San Pablo Bay - Rat Rock Weather Forecast

    • 43
    • 54

    Increasing Clouds

    • 44
    • 54

    Mostly Sunny

    • 45
    • 56

    Mostly Sunny

    • 47
    • 57

    Mostly Sunny

    • 48
    • 58

    Mostly Sunny

    • 48
    • 59

    Partly Sunny

Today 11 Jan North Bay Interior Valleys

Partly cloudy. Areas of frost in the morning. Highs in the mid 50s to lower 60s. Northeast Winds 5 to 10 Mph. Becoming west in the afternoon.

Tonight 11 Jan North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly clear. Lows in the 30s to mid 40s. North Winds up to 5 Mph.

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San Pablo Bay - Rat Rock Temperature Statistics

January Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 8 January, 2026

    44.6 °F

  • Average January

    53.7 °F

  • Highest 3 January, 2026

    62.6 °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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