Petaluma River - Black Point Weather Forecast

    • 43
    • 56

    Increasing Clouds

    • 44
    • 61

    Partly Sunny

    • 45
    • 63

    Partly Sunny

    • 47
    • 63

    Partly Sunny

    • 47
    • 64

    Partly Sunny

    • 47
    • 66

    Patchy Fog

    • 47
    • 66

    Mostly Sunny

Today 5 Dec North Bay Interior Valleys

Sunny. Highs in the 50s to lower 60s. South Winds around 5 Mph.

Tonight 5 Dec North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the upper 30s to mid 40s. West Winds 5 to 10 Mph. Becoming northeast after midnight.

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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

    48.7 °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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