Half Moon Bay Airport Weather Forecast

    • 51
    • 67

    Mostly Sunny

    • 51
    • 67

    Partly Sunny

    • 50
    • 66

    Partly Sunny

    • 49
    • 64

    Partly Sunny

    • 50
    • 64

    Partly Sunny

    • 51
    • 61

    Mostly Cloudy

Today 16 Jan San Francisco Peninsula Coast

Sunny. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 16 Jan San Francisco Peninsula Coast

Clear. Lows around 50. Northeast Winds 10 to 20 Mph.

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Half Moon Bay Airport Temperature Statistics

January Temperature

Half Moon Bay Airport (0 miles)

  • Lowest 10 January, 2026

    39.2 °F

  • Average January

    54.8 °F

  • Highest 14 January, 2026

    71.6 °F

Climate (2021–Present)

Half Moon Bay Airport (0 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    60.5 °F
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