San Pablo Bay - The Sisters Weather Forecast

    • 59
    • 76

    Sunny

    • 61
    • 77

    Mostly Sunny

    • 59
    • 77

    Mostly Sunny

    • 56
    • 70

    Mostly Sunny

    • 54
    • 67

    Partly Sunny

    • 54
    • 66

    Mostly Cloudy

Today 18 Mar North Bay Interior Valleys

Sunny. Highs in the upper 70s to mid 90s. North Winds up to 5 Mph. Becoming southwest in the afternoon.

Tonight 18 Mar North Bay Interior Valleys

Clear. Lows in the lower 50s to mid 60s. Northwest Winds up to 5 Mph.

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San Pablo Bay - The Sisters Temperature Statistics

March Temperature

Novato / Gnoss Field (11.8 miles)

  • Lowest 10 March, 2026

    42.8 °F

  • Average March

    59.7 °F

  • Highest 15 March, 2026

    86 °F

Climate (2021–Present)

Novato / Gnoss Field (11.8 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    72.4 °F
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