Half Moon Bay - Princeton Weather Forecast

    • 54
    • 64

    Areas Fog

    • 57
    • 64

    Mostly Cloudy

    • 57
    • 65

    Mostly Cloudy

    • 55
    • 64

    Mostly Cloudy

    • 55
    • 62

    Fog

    • 54
    • 62

    Fog

Today 15 Jun San Francisco Peninsula Coast

Mostly cloudy in the morning then becoming partly cloudy. Areas of fog in the morning. Highs in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 15 Jun San Francisco Peninsula Coast

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog after midnight. Lows in the mid 50s. West Winds up to 5 Mph in the evening. Becoming light.

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Half Moon Bay - Princeton Temperature Statistics

June Temperature

Half Moon Bay Airport (0.6 miles)

  • Lowest 1 June, 2026

    44.6 °F

  • Average June

    55.7 °F

  • Highest 11 June, 2026

    68 °F

Climate (2021–Present)

Half Moon Bay Airport (0.6 miles)

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  • Average Low 2021–2026

    48.5 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    61 °F
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