Mussell Rock Weather Forecast

    • 50
    • 62

    Mostly Cloudy

    • 50
    • 60

    Mostly Cloudy

    • 48
    • 59

    Partly Sunny

    • 48
    • 62

    Mostly Sunny

    • 49
    • 62

    Mostly Cloudy

    • 48
    • 62

    Mostly Cloudy

Today 21 Jan San Francisco Peninsula Coast

Cloudy. Highs in the lower 60s. Southeast Winds around 5 Mph. Becoming west in the afternoon.

Tonight 21 Jan San Francisco Peninsula Coast

Mostly cloudy. A slight chance of rain. Lows around 50. Light Winds.

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Mussell Rock Temperature Statistics

January Temperature

Half Moon Bay Airport (12.4 miles)

  • Lowest 10 January, 2026

    39.2 °F

  • Average January

    55.2 °F

  • Highest 15 January, 2026

    73.4 °F

Climate (2021–Present)

Half Moon Bay Airport (12.4 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    60.5 °F
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