Pilarcitos Lake Weather Forecast

    • 45
    • 57

    Becoming Sunny

    • 48
    • 60

    Increasing Clouds

    • 48
    • 59

    Partly Sunny

    • 48
    • 60

    Partly Sunny

    • 47
    • 61

    Partly Sunny

    • 48
    • 61

    Partly Sunny

    • 49
    • 62

    Partly Sunny

Today 4 Dec San Francisco Peninsula Coast

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

Tonight 4 Dec San Francisco Peninsula Coast

Mostly clear. Lows in the 40s. Northeast Winds 5 to 10 Mph.

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Pilarcitos Lake Temperature Statistics

December Temperature

Half Moon Bay Airport (4.3 miles)

  • Lowest 1 December, 2025

    41 °F

  • Average December

    50.9 °F

  • Highest 2 December, 2025

    66.2 °F

Climate (2020–Present)

Half Moon Bay Airport (4.3 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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