Francis Beach Weather Forecast

    • 44
    • 62

    Mostly Sunny

    • 46
    • 63

    Mostly Sunny

    • 47
    • 65

    Mostly Sunny

    • 47
    • 66

    Mostly Sunny

    • 46
    • 66

    Mostly Sunny

    • 47
    • 64

    Partly Sunny

Today 8 Dec San Francisco Peninsula Coast

Sunny. Patchy fog in the morning. Highs in the lower 60s. North Winds 5 to 10 Mph.

Tonight 8 Dec San Francisco Peninsula Coast

Mostly clear. Lows in the 40s. Northeast Winds around 5 Mph.

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Francis Beach Temperature Statistics

December Temperature

Half Moon Bay Airport (3.7 miles)

  • Lowest 1 December, 2025

    41 °F

  • Average December

    52.1 °F

  • Highest 2 December, 2025

    66.2 °F

Climate (2020–Present)

Half Moon Bay Airport (3.7 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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