San Gregorio Weather Forecast

    • 50
    • 61

    Partly Sunny

    • 53
    • 65

    Partly Sunny

    • 53
    • 68

    Mostly Sunny

    • 51
    • 64

    Partly Sunny

    • 52
    • 64

    Mostly Sunny

    • 53
    • 66

    Partly Sunny

Today 16 Oct San Francisco Peninsula Coast

Partly cloudy. Highs in the mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 16 Oct San Francisco Peninsula Coast

Mostly clear. Lows in the lower 50s. North Winds around 5 Mph.

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San Gregorio Temperature Statistics

October Temperature

Half Moon Bay Airport (14.3 miles)

  • Lowest 14 October, 2025

    42.8 °F

  • Average October

    59.6 °F

  • Highest 6 October, 2025

    71.6 °F

Climate (2020–Present)

Half Moon Bay Airport (14.3 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    60.4 °F
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