Nicasio Reservoir Weather Forecast

    • 45
    • 65

    Sunny

    • 47
    • 67

    Mostly Sunny

    • 46
    • 68

    Mostly Sunny

    • 46
    • 71

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 53
    • 85

    Sunny

    • 53
    • 87

    Mostly Sunny

Today 10 Oct Marin Coastal Range

Sunny. Highs in the lower 60s. West Winds around 10 Mph with Gusts to around 25 Mph.

Tonight 10 Oct Marin Coastal Range

Clear. Lows in the upper 40s. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Real-Time

Nicasio Reservoir Temperature Statistics

October Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 1 October, 2026

    48.2 °F

  • Average October

    67.9 °F

  • Highest 3 October, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    72.5 °F
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