San Pablo Bay - Rat Rock Weather Forecast

    • 47
    • 57

    Decreasing Clouds

    • 48
    • 58

    Partly Sunny

    • 49
    • 59

    Mostly Cloudy

    • 50
    • 60

    Mostly Cloudy

    • 51
    • 57

    Chance Rain

    • 48
    • 58

    Partly Sunny

Today 28 Jan North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the mid 50s to lower 60s. Northeast Winds 5 to 10 Mph. Becoming northwest in the afternoon.

Tonight 28 Jan North Bay Interior Valleys

Mostly clear in the evening then becoming mostly cloudy. Patchy fog. Lows in the 30s to upper 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 12 January, 2026

    33.8 °F

  • Average January

    50.3 °F

  • Highest 24 January, 2026

    71.6 °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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