Three Rocks Weather Forecast

    • 53
    • 64

    Mostly Cloudy

    • 49
    • 59

    Mostly Cloudy

    • 50
    • 59

    Partly Sunny

    • 51
    • 61

    Partly Sunny

    • 51
    • 61

    Partly Sunny

    • 52
    • 63

    Partly Sunny

Today 9 Oct San Francisco Peninsula Coast

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 9 Oct San Francisco Peninsula Coast

Mostly cloudy. Lows in the mid 50s. Southwest Winds 5 to 15 Mph.

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Three Rocks Temperature Statistics

October Temperature

Half Moon Bay Airport (6.2 miles)

  • Lowest 3 October, 2026

    50 °F

  • Average October

    59.1 °F

  • Highest 3 October, 2026

    75.2 °F

Climate (2021–2026)

Half Moon Bay Airport (6.2 miles)

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  • Average Low 2021–2026

    48.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    61.1 °F
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