Half Moon Bay Airport Weather Forecast

    • 53
    • 61

    Increasing Clouds

    • 52
    • 59

    Chance Rain Showers

    • 53
    • 61

    Chance Rain Showers

    • 54
    • 62

    Chance Rain

    • 54
    • 61

    Mostly Cloudy

    • 52
    • 61

    Partly Sunny

Today 18 Oct San Francisco Peninsula Coast

Partly cloudy. Highs in the 60s. Northwest Winds 5 to 15 Mph.

Tonight 18 Oct San Francisco Peninsula Coast

Mostly cloudy. Lows near 50. Northwest Winds 5 to 15 Mph.

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Half Moon Bay Airport Temperature Statistics

October Temperature

Half Moon Bay Airport (0 miles)

  • Lowest 13 October, 2026

    44.6 °F

  • Average October

    60.4 °F

  • Highest 15 October, 2026

    86 °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

    61.2 °F
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