Half Moon Bay Airport Weather Forecast

    • 52
    • 58

    Increasing Clouds

    • 52
    • 60

    Partly Sunny

    • 52
    • 61

    Partly Sunny

    • 54
    • 62

    Partly Sunny

    • 57
    • 68

    Mostly Sunny

    • 57
    • 69

    Partly Sunny

Today 11 Oct San Francisco Peninsula Coast

Sunny. Highs around 60. Northwest Winds 5 to 10 Mph.

Tonight 11 Oct San Francisco Peninsula Coast

Mostly clear in the evening then becoming partly cloudy. Lows near 50. South Winds 5 to 10 Mph.

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Half Moon Bay Airport Temperature Statistics

October Temperature

Half Moon Bay Airport (0 miles)

  • Lowest 3 October, 2026

    50 °F

  • Average October

    58.8 °F

  • Highest 3 October, 2026

    75.2 °F

Climate (2021–2026)

Half Moon Bay Airport (0 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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