Mussell Rock Weather Forecast

    • 57
    • 62

    Mostly Cloudy

    • 58
    • 64

    Mostly Cloudy

    • 59
    • 64

    Areas Fog

    • 59
    • 65

    Mostly Cloudy

    • 58
    • 64

    Mostly Cloudy

    • 58
    • 63

    Mostly Cloudy

Today 5 Sep San Francisco Peninsula Coast

Mostly cloudy. A slight chance of drizzle in the morning. Highs in the upper 60s. Northwest Winds 5 to 10 Mph.

Tonight 5 Sep San Francisco Peninsula Coast

Cloudy. Patchy drizzle. Lows in the upper 50s. Northwest Winds around 5 Mph.

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Mussell Rock Temperature Statistics

September Temperature

Half Moon Bay Airport (12.4 miles)

  • Lowest 1 September, 2025

    51.8 °F

  • Average September

    59.5 °F

  • Highest 2 September, 2025

    66.2 °F

Climate (2020–Present)

Half Moon Bay Airport (12.4 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    60.4 °F
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