Petaluma River - Black Point Weather Forecast

    • 49
    • 55

    Rain Showers

    • 44
    • 54

    Rain

    • 39
    • 53

    Partly Sunny

    • 37
    • 53

    Partly Sunny

    • 38
    • 53

    Mostly Sunny

    • 40
    • 54

    Partly Sunny

Today 25 Dec North Bay Interior Valleys

Breezy. Patchy dense fog in the morning. Showers and a slight chance of Thunderstorms. Some Thunderstorms may be severe with heavy rainfall. Highs in the 40s to upper 50s. South Winds 20 to 30 Mph. Gusts up to 50 Mph in the morning.

Tonight 25 Dec North Bay Interior Valleys

Breezy. Showers and a slight chance of Thunderstorms. Patchy fog after midnight. Some Thunderstorms may be severe with heavy rainfall. Lows in the 40s to lower 50s. South Winds 20 to 30 Mph decreasing to 10 to 20 Mph 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

    48.8 °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

    46.2 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.3 °F
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