Petaluma River - Black Point Weather Forecast

    • 48
    • 78

    Mostly Sunny

    • 50
    • 74

    Partly Sunny

    • 52
    • 77

    Mostly Sunny

    • 55
    • 83

    Mostly Cloudy

    • 56
    • 86

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

Today 12 Mar North Bay Interior Valleys

Sunny. Highs in the 70s to lower 80s. West Winds 5 to 10 Mph.

Tonight 12 Mar North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the 40s to mid 50s. West Winds 5 to 10 Mph.

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Petaluma River - Black Point Temperature Statistics

March Temperature

Novato / Gnoss Field (3.1 miles)

  • Lowest 10 March, 2026

    42.8 °F

  • Average March

    59.5 °F

  • Highest 7 March, 2026

    80.6 °F

Climate (2021–Present)

Novato / Gnoss Field (3.1 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    72.4 °F
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