Half Moon Bay Weather Forecast

    • 50
    • 61

    Mostly Cloudy

    • 49
    • 63

    Mostly Cloudy

    • 49
    • 64

    Mostly Cloudy

    • 50
    • 64

    Partly Sunny

    • 51
    • 69

    Mostly Sunny

    • 51
    • 73

    Partly Sunny

Today 5 May San Francisco Peninsula Coast

Mostly cloudy. A slight chance of rain in the morning. Highs in the lower 60s. West Winds 5 to 10 Mph.

Tonight 5 May San Francisco Peninsula Coast

Cloudy. A chance of rain. Lows around 50. Northwest Winds around 5 Mph.

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Half Moon Bay Temperature Statistics

May Temperature

Half Moon Bay Airport (5 miles)

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Climate (2021–Present)

Half Moon Bay Airport (5 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    60.9 °F
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