Three Rocks Weather Forecast

    • 48
    • 63

    Mostly Cloudy

    • 45
    • 61

    Partly Sunny

    • 41
    • 58

    Mostly Sunny

    • 42
    • 59

    Mostly Sunny

    • 44
    • 61

    Mostly Cloudy

    • 44
    • 61

    Partly Sunny

    • 45
    • 63

    Mostly Sunny

Today 6 Jan San Francisco Peninsula Coast

Partly cloudy. Highs in the lower 60s. North Winds around 5 Mph.

Tonight 6 Jan San Francisco Peninsula Coast

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Rocks Temperature Statistics

January Temperature

Half Moon Bay Airport (6.2 miles)

  • Lowest 4 January, 2026

    51.8 °F

  • Average January

    57.3 °F

  • Highest 2 January, 2026

    60.8 °F

Climate (2021–Present)

Half Moon Bay Airport (6.2 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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