Three Rocks Weather Forecast

    • 47
    • 61

    Decreasing Clouds

    • 49
    • 60

    Mostly Cloudy

    • 47
    • 59

    Partly Sunny

    • 48
    • 64

    Partly Sunny

    • 49
    • 63

    Patchy Fog

    • 48
    • 61

    Patchy Fog

Today 24 May San Francisco Peninsula Coast

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

Tonight 24 May San Francisco Peninsula Coast

Mostly cloudy. Areas of fog. Lows in the upper 40s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Rocks Temperature Statistics

May Temperature

Half Moon Bay Airport (6.2 miles)

  • Lowest 19 May, 2026

    42.8 °F

  • Average May

    55.1 °F

  • Highest 18 May, 2026

    73.4 °F

Climate (2021–Present)

Half Moon Bay Airport (6.2 miles)

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  • Average Low 2021–2026

    48.5 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    60.9 °F
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