Muir Beach Weather Forecast

    • 55
    • 58

    Mostly Cloudy

    • 57
    • 59

    Mostly Cloudy

    • 56
    • 63

    Partly Sunny

    • 56
    • 63

    Partly Sunny

    • 56
    • 64

    Mostly Cloudy

    • 57
    • 65

    Mostly Cloudy

    • 58
    • 64

    Mostly Cloudy

Today 7 Aug Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Highs in the mid 60s to lower 70s. West Winds around 10 Mph.

Tonight 7 Aug Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph.

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Muir Beach Temperature Statistics

August Temperature

Novato / Gnoss Field (19.3 miles)

  • Lowest 1 August, 2026

    53.6 °F

  • Average August

    68.9 °F

  • Highest 2 August, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (19.3 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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