Agate Beach Weather Forecast

    • 48
    • 57

    Mostly Cloudy

    • 46
    • 56

    Mostly Sunny

    • 43
    • 54

    Mostly Sunny

    • 43
    • 53

    Mostly Sunny

    • 43
    • 54

    Mostly Cloudy

    • 44
    • 55

    Partly Sunny

Today 6 Jan Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Highs in the upper 50s. Southeast Winds 5 to 10 Mph.

Tonight 6 Jan Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Lows in the upper 40s. Northwest Winds 5 to 10 Mph.

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Agate Beach Temperature Statistics

January Temperature

Novato / Gnoss Field (18.6 miles)

  • Lowest 1 January, 2026

    48.2 °F

  • Average January

    54.8 °F

  • Highest 3 January, 2026

    62.6 °F

Climate (2021–Present)

Novato / Gnoss Field (18.6 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    72.3 °F
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