Muir Beach Weather Forecast

    • 56
    • 58

    Partly Sunny

    • 56
    • 61

    Increasing Clouds

    • 55
    • 59

    Mostly Cloudy

    • 55
    • 57

    Mostly Cloudy

    • 55
    • 62

    Mostly Cloudy

    • 56
    • 64

    Partly Sunny

    • 56
    • 64

    Partly Sunny

Today 21 Aug Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Highs in the 60s. West Winds 10 to 15 Mph.

Tonight 21 Aug Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Lows in the lower 50s. West Winds 5 to 10 Mph.

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  • Temperature Real-Time

Muir Beach Temperature Statistics

August Temperature

Novato / Gnoss Field (19.3 miles)

  • Lowest 10 August, 2026

    51.8 °F

  • Average August

    65.8 °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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