Half Moon Bay - Pillar Point Harbor Weather Forecast

    • 59
    • 76

    Mostly Cloudy

    • 59
    • 74

    Mostly Sunny

    • 60
    • 75

    Mostly Sunny

    • 58
    • 74

    Partly Sunny

    • 58
    • 70

    Partly Sunny

    • 57
    • 68

    Mostly Cloudy

Today 4 Oct San Francisco Peninsula Coast

Mostly cloudy. Highs around 80. Northeast Winds up to 5 Mph. Becoming west in the afternoon.

Tonight 4 Oct San Francisco Peninsula Coast

Mostly clear in the evening then becoming partly cloudy. Lows around 60. West Winds up to 5 Mph in the evening becoming light.

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Half Moon Bay - Pillar Point Harbor Temperature Statistics

October Temperature

Half Moon Bay Airport (1.2 miles)

  • Lowest 1 October, 2026

    51.8 °F

  • Average October

    56.8 °F

  • Highest 2 October, 2026

    66.2 °F

Climate (2021–2026)

Half Moon Bay Airport (1.2 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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