Petaluma River - San Antonio Creek Entrance Weather Forecast

    • 52
    • 83

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

    • 53
    • 79

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 51
    • 76

    Partly Sunny

    • 51
    • 79

    Mostly Sunny

Today 29 Jun North Bay Interior Valleys

Sunny. Highs in the lower 70s to mid 80s. Southwest Winds 5 to 15 Mph.

Tonight 29 Jun North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Areas of fog after midnight. Lows in the upper 40s to mid 50s. Southwest Winds 5 to 15 Mph.

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Petaluma River - San Antonio Creek Entrance Temperature Statistics

June Temperature

Novato / Gnoss Field (1.2 miles)

  • Lowest 14 June, 2025

    42.8 °F

  • Average June

    61.6 °F

  • Highest 27 June, 2025

    89.6 °F

Climate (2020–Present)

Novato / Gnoss Field (1.2 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    72.7 °F
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