Petaluma River - Black Point Weather Forecast

    • 39
    • 55

    Mostly Sunny

    • 39
    • 55

    Mostly Sunny

    • 40
    • 54

    Partly Sunny

    • 45
    • 52

    Chance Rain

    • 49
    • 51

    Rain Likely

    • 48
    • 55

    Chance Rain

    • 48
    • 54

    Chance Rain

Today 28 Dec North Bay Interior Valleys

Sunny. Highs in the 50s. Northeast Winds around 5 Mph. Becoming southeast up to 5 Mph in the afternoon.

Tonight 28 Dec North Bay Interior Valleys

Mostly clear except patchy fog after midnight. Lows in the 30s to mid 40s. Northeast Winds 5 to 10 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

    49.9 °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

    46.3 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.3 °F
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