Nicasio Weather Forecast

    • 54
    • 82

    Becoming Sunny

    • 54
    • 90

    Mostly Sunny

    • 52
    • 76

    Patchy Fog

    • 53
    • 76

    Patchy Fog

    • 54
    • 76

    Partly Sunny

    • 55
    • 72

    Patchy Fog

Today 8 Aug Marin Coastal Range

Partly cloudy in the morning then becoming sunny. Highs in the upper 70s to mid 80s. West Winds 5 to 10 Mph.

Tonight 8 Aug Marin Coastal Range

Mostly clear. Lows in the upper 50s. West Winds around 5 Mph.

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Nicasio Temperature Statistics

August Temperature

Novato / Gnoss Field (9.3 miles)

  • Lowest 1 August, 2026

    53.6 °F

  • Average August

    68.1 °F

  • Highest 2 August, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (9.3 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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