Lucas Valley-Marinwood Weather Forecast

    • 52
    • 79

    Increasing Clouds

    • 53
    • 77

    Partly Sunny

    • 56
    • 78

    Mostly Cloudy

    • 59
    • 79

    Mostly Cloudy

    • 59
    • 84

    Partly Sunny

    • 58
    • 83

    Partly Sunny

    • 56
    • 81

    Partly Sunny

Today 17 Jul North Bay Interior Valleys

Sunny. Highs in the lower 70s to mid 80s. Southwest Winds 5 to 15 Mph.

Tonight 17 Jul North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. Southwest Winds 5 to 15 Mph.

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Lucas Valley-Marinwood Temperature Statistics

July Temperature

Novato / Gnoss Field (7.5 miles)

  • Lowest 1 July, 2026

    50 °F

  • Average July

    65.2 °F

  • Highest 14 July, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (7.5 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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