San Pablo Bay Weather Forecast

    • 44
    • 52

    Mostly Sunny

    • 42
    • 51

    Becoming Sunny

    • 43
    • 49

    Partly Sunny

    • 47
    • 48

    Mostly Cloudy

    • 50
    • 52

    Rain Likely

    • 50
    • 54

    Chance Rain

    • 50
    • 52

    Chance Rain

Today 28 Dec East Bay Interior Valleys

Sunny. Highs in the lower 50s. Northeast Winds around 5 Mph.

Tonight 28 Dec East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the upper 30s. Light Winds. Becoming northeast around 5 Mph after midnight.

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San Pablo Bay Temperature Statistics

December Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 2 December, 2025

    37.4 °F

  • Average December

    49.9 °F

  • Highest 3 December, 2025

    71.6 °F

Climate (2020–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.3 °F
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