Petaluma River - Black Point Weather Forecast

    • 61
    • 92

    Partly Sunny

    • 60
    • 81

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

Today 21 Jul North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. A slight chance of Showers. Highs in the upper 70s to mid 90s. Southwest Winds up to 5 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 21 Jul North Bay Interior Valleys

Mostly clear. Lows in the mid 50s to upper 60s. Southwest Winds 5 to 15 Mph.

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Petaluma River - Black Point Temperature Statistics

July Temperature

Novato / Gnoss Field (3.1 miles)

  • Lowest 1 July, 2026

    50 °F

  • Average July

    65.3 °F

  • Highest 14 July, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (3.1 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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