Petaluma River - Black Point Weather Forecast

    • 49
    • 80

    Increasing Clouds

    • 52
    • 73

    Partly Sunny

    • 49
    • 73

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 51
    • 80

    Mostly Sunny

Today 11 May North Bay Interior Valleys

Partly cloudy. Highs in the lower 70s to mid 80s. South Winds 5 to 10 Mph.

Tonight 11 May North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog after midnight. Lows in the upper 40s to lower 60s. Southwest Winds 5 to 10 Mph.

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Petaluma River - Black Point Temperature Statistics

May Temperature

Novato / Gnoss Field (3.1 miles)

  • Lowest 4 May, 2026

    46.4 °F

  • Average May

    59.1 °F

  • Highest 9 May, 2026

    78.8 °F

Climate (2021–Present)

Novato / Gnoss Field (3.1 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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