Half Moon Bay - Princeton Weather Forecast

    • 52
    • 68

    Increasing Clouds

    • 52
    • 70

    Mostly Cloudy

    • 52
    • 65

    Mostly Cloudy

    • 50
    • 61

    Slight Chance Rain

    • 48
    • 62

    Partly Sunny

    • 49
    • 63

    Mostly Cloudy

Today 26 Feb San Francisco Peninsula Coast

Partly cloudy. Highs in the mid 60s to lower 70s. North Winds 5 to 10 Mph.

Tonight 26 Feb San Francisco Peninsula Coast

Mostly cloudy. Lows in the lower 50s. North Winds 5 to 10 Mph.

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Half Moon Bay - Princeton Temperature Statistics

February Temperature

Half Moon Bay Airport (0.6 miles)

  • Lowest 20 February, 2026

    37.4 °F

  • Average February

    54 °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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