Loch Lomond Marina Weather Forecast

    • 53
    • 65

    Increasing Clouds

    • 53
    • 66

    Partly Sunny

    • 54
    • 67

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

Today 6 May North Bay Interior Valleys

Sunny. Highs in the mid 60s to lower 80s. Southwest Winds up to 5 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 6 May North Bay Interior Valleys

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

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Loch Lomond Marina Temperature Statistics

May Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 4 May, 2026

    46.4 °F

  • Average May

    57.6 °F

  • Highest 1 May, 2026

    73.4 °F

Climate (2021–Present)

Novato / Gnoss Field (12.4 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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