San Pablo Bay - Petaluma River Entrance Weather Forecast

    • 47
    • 77

    Becoming Sunny

    • 48
    • 70

    Mostly Sunny

    • 50
    • 68

    Partly Sunny

    • 47
    • 65

    Mostly Sunny

    • 49
    • 70

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

Today 30 Apr North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to lower 80s. South Winds 5 to 10 Mph.

Tonight 30 Apr North Bay Interior Valleys

Mostly clear except patchy fog after midnight. Lows in the 40s to mid 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

San Pablo Bay - Petaluma River Entrance Temperature Statistics

April Temperature

Novato / Gnoss Field (3.7 miles)

  • Lowest 3 April, 2025

    41 °F

  • Average April

    56.2 °F

  • Highest 13 April, 2025

    82.4 °F

Climate (2020–Present)

Novato / Gnoss Field (3.7 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    72.8 °F
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