San Gregorio Weather Forecast

    • 54
    • 61

    Mostly Cloudy

    • 54
    • 62

    Mostly Cloudy

    • 54
    • 63

    Partly Sunny

    • 54
    • 65

    Partly Sunny

    • 55
    • 66

    Mostly Cloudy

    • 54
    • 64

    Mostly Cloudy

Today 17 Aug San Francisco Peninsula Coast

Mostly cloudy. Patchy drizzle in the morning. Highs in the mid 60s. West Winds 5 to 10 Mph.

Tonight 17 Aug San Francisco Peninsula Coast

Mostly cloudy. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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San Gregorio Temperature Statistics

August Temperature

Half Moon Bay Airport (14.3 miles)

  • Lowest 6 August, 2025

    48.2 °F

  • Average August

    58.4 °F

  • Highest 6 August, 2025

    69.8 °F

Climate (2020–Present)

Half Moon Bay Airport (14.3 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    60.3 °F
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