San Gregorio Weather Forecast

    • 43
    • 60

    Partly Sunny

    • 44
    • 60

    Mostly Sunny

    • 45
    • 60

    Partly Sunny

    • 44
    • 59

    Partly Sunny

    • 45
    • 59

    Mostly Sunny

    • 46
    • 59

    Partly Sunny

Today 30 Nov San Francisco Peninsula Coast

Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 50s. North Winds 5 to 10 Mph.

Tonight 30 Nov San Francisco Peninsula Coast

Partly cloudy. Lows in the mid 40s. Northeast Winds around 5 Mph.

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San Gregorio Temperature Statistics

November Temperature

Half Moon Bay Airport (14.3 miles)

  • Lowest 21 November, 2025

    42.8 °F

  • Average November

    55.8 °F

  • Highest 8 November, 2025

    77 °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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