Petaluma River - San Antonio Creek Entrance Weather Forecast

    • 54
    • 78

    Sunny

    • 49
    • 77

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

    • 44
    • 68

    Partly Sunny

    • 48
    • 73

    Sunny

    • 49
    • 75

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

Today 7 Mar North Bay Interior Valleys

Sunny, breezy. Highs in the 70s to lower 80s. Northeast Winds 20 to 30 Mph.

Tonight 7 Mar North Bay Interior Valleys

Clear, breezy. Lows in the 50s to lower 60s. Northwest Winds 20 to 30 Mph. Becoming west after midnight.

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Petaluma River - San Antonio Creek Entrance Temperature Statistics

March Temperature

Novato / Gnoss Field (1.2 miles)

  • Lowest 3 March, 2026

    48.2 °F

  • Average March

    57.8 °F

  • Highest 3 March, 2026

    73.4 °F

Climate (2021–Present)

Novato / Gnoss Field (1.2 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    72.3 °F
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