San Pablo Bay - Petaluma River Entrance Weather Forecast

    • 50
    • 75

    Becoming Sunny

    • 49
    • 79

    Mostly Sunny

    • 47
    • 76

    Partly Sunny

    • 50
    • 75

    Mostly Cloudy

    • 49
    • 78

    Mostly Cloudy

    • 49
    • 73

    Partly Sunny

Today 23 Mar North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s. West Winds 5 to 15 Mph.

Tonight 23 Mar North Bay Interior Valleys

Partly cloudy. Lows in the mid 40s to upper 50s. West Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Pablo Bay - Petaluma River Entrance Temperature Statistics

March Temperature

Novato / Gnoss Field (3.7 miles)

  • Lowest 10 March, 2026

    42.8 °F

  • Average March

    61.5 °F

  • Highest 20 March, 2026

    95 °F

Climate (2021–Present)

Novato / Gnoss Field (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    72.5 °F
Get WillyWeather+ to remove ads