Half Moon Bay Airport Weather Forecast

    • 50
    • 67

    Increasing Clouds

    • 51
    • 63

    Mostly Cloudy

    • 52
    • 65

    Mostly Sunny

    • 55
    • 71

    Mostly Cloudy

    • 56
    • 77

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

Today 12 Mar San Francisco Peninsula Coast

Partly cloudy in the morning then becoming sunny. Highs in the lower 70s. North Winds 5 to 10 Mph.

Tonight 12 Mar San Francisco Peninsula Coast

Partly cloudy. Lows in the upper 40s. Northwest Winds 5 to 10 Mph.

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Half Moon Bay Airport Temperature Statistics

March Temperature

Half Moon Bay Airport (0 miles)

  • Lowest 10 March, 2026

    42.8 °F

  • Average March

    56 °F

  • Highest 7 March, 2026

    73.4 °F

Climate (2021–Present)

Half Moon Bay Airport (0 miles)

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  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    60.7 °F
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