Petaluma River - Black Point Weather Forecast

    • 44
    • 53

    Fog

    • 44
    • 54

    Areas Fog

    • 44
    • 63

    Areas Fog

    • 44
    • 63

    Partly Sunny

    • 43
    • 63

    Partly Sunny

    • 46
    • 61

    Partly Sunny

    • 47
    • 61

    Mostly Cloudy

Today 8 Dec North Bay Interior Valleys

Sunny. Highs in the upper 40s to lower 60s. South Winds up to 5 Mph.

Tonight 8 Dec North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog. Lows in the 30s to upper 40s. Northeast Winds up to 5 Mph.

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Petaluma River - Black Point Temperature Statistics

December Temperature

Novato / Gnoss Field (3.1 miles)

  • Lowest 2 December, 2025

    37.4 °F

  • Average December

    46.7 °F

  • Highest 3 December, 2025

    71.6 °F

Climate (2020–Present)

Novato / Gnoss Field (3.1 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.3 °F
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