San Gregorio State Beach Weather Forecast

    • 56
    • 60

    Mostly Cloudy

    • 52
    • 59

    Mostly Cloudy

    • 53
    • 59

    Mostly Cloudy

    • 54
    • 60

    Patchy Fog

    • 54
    • 61

    Areas Fog

    • 55
    • 61

    Patchy Fog

Today 19 Jun San Francisco Peninsula Coast

Mostly cloudy. Highs in the mid 60s. South Winds 5 to 10 Mph.

Tonight 19 Jun San Francisco Peninsula Coast

Mostly cloudy. A slight chance of drizzle. Patchy fog after midnight. Lows in the mid 50s. South Winds 5 to 10 Mph.

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San Gregorio State Beach Temperature Statistics

June Temperature

Half Moon Bay Airport (14.3 miles)

  • Lowest 1 June, 2026

    44.6 °F

  • Average June

    56.5 °F

  • Highest 11 June, 2026

    68 °F

Climate (2021–2026)

Half Moon Bay Airport (14.3 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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