Half Moon Bay Weather Forecast

    • 43
    • 62

    Partly Sunny

    • 43
    • 62

    Partly Sunny

    • 42
    • 63

    Mostly Sunny

    • 42
    • 62

    Partly Sunny

    • 41
    • 62

    Partly Sunny

    • 43
    • 63

    Partly Sunny

Today 2 Dec San Francisco Peninsula Coast

Partly cloudy. Highs in the lower 60s. Northeast Winds 10 to 20 Mph. Becoming north 5 to 10 Mph in the afternoon.

Tonight 2 Dec San Francisco Peninsula Coast

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. North Winds 5 to 10 Mph.

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Half Moon Bay Temperature Statistics

December Temperature

Half Moon Bay Airport (5 miles)

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  • Average December

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Climate (2010–Present)

Half Moon Bay Airport (5 miles)

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  • Average Low 2010–Present

    48.9 °F
  • Average 2010–Present

    55.3 °F
  • Average High 2010–Present

    61.2 °F
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