Loch Lomond Marina Weather Forecast

    • 58
    • 71

    Mostly Sunny

    • 59
    • 73

    Mostly Sunny

    • 58
    • 77

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

Today 7 Aug North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the lower 80s to mid 90s. Southwest Winds 5 to 15 Mph.

Tonight 7 Aug North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the 50s to 60s. Southwest Winds 5 to 15 Mph.

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  • Temperature Real-Time

Loch Lomond Marina Temperature Statistics

August Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 1 August, 2026

    53.6 °F

  • Average August

    69.5 °F

  • Highest 2 August, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (12.4 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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