Half Moon Bay - Princeton Weather Forecast

    • 48
    • 60

    Rain

    • 47
    • 57

    Rain

    • 44
    • 54

    Rain

    • 43
    • 55

    Rain

    • 43
    • 56

    Chance Rain

    • 45
    • 57

    Chance Rain

Today 15 Feb San Francisco Peninsula Coast

Breezy, rain. Highs around 60. South Winds 20 to 30 Mph.

Tonight 15 Feb San Francisco Peninsula Coast

Rain. Lows in the mid 40s to lower 50s. South Winds 10 to 20 Mph.

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Half Moon Bay - Princeton Temperature Statistics

February Temperature

Half Moon Bay Airport (0.6 miles)

  • Lowest 1 February, 2026

    44.6 °F

  • Average February

    56.3 °F

  • Highest 3 February, 2026

    73.4 °F

Climate (2021–Present)

Half Moon Bay Airport (0.6 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    60.6 °F
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