San Francisco Bay - Richmond San Rafael Bridge Weather Forecast

    • 57
    • 64

    Becoming Sunny

    • 58
    • 69

    Increasing Clouds

    • 57
    • 65

    Partly Sunny

    • 56
    • 63

    Partly Sunny

    • 56
    • 68

    Partly Sunny

    • 57
    • 70

    Mostly Sunny

    • 57
    • 71

    Mostly Sunny

Today 21 Aug North Bay Interior Valleys

Partly cloudy. Highs in the lower 70s to mid 80s. Southwest Winds 10 to 20 Mph.

Tonight 21 Aug North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the 50s. West Winds 5 to 15 Mph.

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San Francisco Bay - Richmond San Rafael Bridge Temperature Statistics

August Temperature

Novato / Gnoss Field (14.9 miles)

  • Lowest 10 August, 2026

    51.8 °F

  • Average August

    65.8 °F

  • Highest 2 August, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (14.9 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.5 °F
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