Half Moon Bay Weather Forecast

    • 47
    • 59

    Chance Rain

    • 47
    • 63

    Partly Sunny

    • 45
    • 60

    Chance Rain

    • 41
    • 56

    Partly Sunny

    • 39
    • 56

    Mostly Sunny

    • 41
    • 57

    Partly Sunny

Today 6 Dec San Francisco Peninsula Coast

Mostly cloudy. A slight chance of rain in the afternoon. Highs around 60. Northwest Winds 10 to 20 Mph.

Tonight 6 Dec San Francisco Peninsula Coast

Mostly cloudy. A chance of rain. Lows in the mid 40s to lower 50s. Northwest Winds 5 to 15 Mph. Becoming northeast 10 to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Half Moon Bay Temperature Statistics

December Temperature

Half Moon Bay Airport (5 miles)

  • Lowest 2 December, 2021

    46.4 °F

  • Average December

    55.8 °F

  • Highest 1 December, 2021

    71.6 °F

Climate (2010–Present)

Half Moon Bay Airport (5 miles)

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  • Average Low 2010–Present

    48.4 °F

  • Average 2010–Present

    54.8 °F

  • Average High 2010–Present

    60.7 °F
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