Petaluma River - Black Point Weather Forecast

    • 55
    • 71

    Increasing Clouds

    • 55
    • 72

    Chance Drizzle

    • 55
    • 72

    Chance Drizzle

    • 54
    • 73

    Mostly Sunny

    • 54
    • 74

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

Today 1 Sep North Bay Interior Valleys

Mostly cloudy. A slight chance of rain in the morning. Highs in the lower 60s to mid 70s. Southwest Winds 10 to 20 Mph.

Tonight 1 Sep North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. A chance of rain after midnight. Lows in the 40s to upper 50s. West Winds 10 to 20 Mph. Becoming southwest 5 to 10 Mph after midnight.

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Petaluma River - Black Point Temperature Statistics

September Temperature

Novato / Gnoss Field (3.1 miles)

  • Lowest

  • Average September

  • Highest

Climate (2021–2026)

Novato / Gnoss Field (3.1 miles)

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  • Average Low 2021–2026

    46.9 °F
  • Average 2021–2026

    57.8 °F
  • Average High 2021–2026

    72.5 °F
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