Half Moon Bay Airport Weather Forecast

    • 47
    • 60

    Increasing Clouds

    • 46
    • 60

    Partly Sunny

    • 48
    • 60

    Mostly Sunny

    • 49
    • 60

    Partly Sunny

    • 51
    • 60

    Partly Sunny

    • 50
    • 60

    Mostly Cloudy

Today 2 Dec San Francisco Peninsula Coast

Partly cloudy. Highs in the lower 60s. Northeast Winds 5 to 10 Mph. Becoming northwest in the afternoon.

Tonight 2 Dec San Francisco Peninsula Coast

Mostly cloudy. Lows in the mid to upper 40s. East Winds 5 to 15 Mph.

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Half Moon Bay Airport Temperature Statistics

December Temperature

Half Moon Bay Airport (0 miles)

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Climate (2020–Present)

Half Moon Bay Airport (0 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    60.4 °F
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