Larkspur Weather Forecast

    • 56
    • 71

    Chance Rain

    • 53
    • 70

    Chance Rain

    • 52
    • 70

    Chance Rain

    • 52
    • 72

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 54
    • 78

    Partly Sunny

Today 24 Oct North Bay Interior Valleys

Mostly cloudy late in the morning then becoming partly cloudy. Highs in the 60s to lower 70s. West Winds 5 to 15 Mph.

Tonight 24 Oct North Bay Interior Valleys

Mostly cloudy. A chance of rain. Patchy fog after midnight. Lows in the 50s. Southwest Winds 5 to 15 Mph.

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Larkspur Temperature Statistics

October Temperature

Novato / Gnoss Field (14.3 miles)

  • Lowest 17 October, 2025

    42.8 °F

  • Average October

    60.9 °F

  • Highest 21 October, 2025

    84.2 °F

Climate (2020–Present)

Novato / Gnoss Field (14.3 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    72.4 °F
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