Nicasio Reservoir Weather Forecast

    • 51
    • 65

    Chance Rain

    • 44
    • 60

    Rain

    • 43
    • 64

    Sunny

    • 48
    • 72

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 50
    • 76

    Partly Sunny

    • 50
    • 70

    Partly Sunny

Today 31 Mar Marin Coastal Range

Mostly cloudy. A chance of rain. Highs in the lower 60s. Southwest Winds around 15 Mph.

Tonight 31 Mar Marin Coastal Range

Mostly cloudy. A slight chance of rain late in the Evening, then a chance of rain after midnight. Lows in the lower 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nicasio Reservoir Temperature Statistics

March Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 10 March, 2026

    42.8 °F

  • Average March

    61.8 °F

  • Highest 20 March, 2026

    95 °F

Climate (2021–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    72.5 °F
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