San Pablo Bay - Rat Rock Weather Forecast

    • 53
    • 67

    Mostly Sunny

    • 59
    • 72

    Mostly Sunny

    • 53
    • 75

    Sunny

    • 54
    • 80

    Sunny

    • 53
    • 77

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

Today 16 May North Bay Interior Valleys

Sunny. Highs in the upper 60s to lower 80s. Northwest Winds 10 to 20 Mph with Gusts to around 35 Mph.

Tonight 16 May North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly clear. Lows in the upper 40s to mid 50s. Northwest Winds 10 to 20 Mph with Gusts to around 40 Mph.

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San Pablo Bay - Rat Rock Temperature Statistics

May Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 4 May, 2026

    46.4 °F

  • Average May

    59.8 °F

  • Highest 11 May, 2026

    86 °F

Climate (2021–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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