San Gregorio Weather Forecast

    • 49
    • 58

    Rain Showers

    • 47
    • 61

    Becoming Sunny

    • 47
    • 64

    Mostly Sunny

    • 48
    • 65

    Partly Sunny

    • 48
    • 63

    Mostly Cloudy

    • 48
    • 62

    Mostly Cloudy

    • 48
    • 62

    Mostly Cloudy

Today 22 Oct San Francisco Peninsula Coast

Showers likely. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 22 Oct San Francisco Peninsula Coast

Cloudy. A slight chance of Showers in the evening. Lows in the upper 40s to mid 50s. Northwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Gregorio Temperature Statistics

October Temperature

Half Moon Bay Airport (14.3 miles)

  • Lowest 13 October, 2026

    44.6 °F

  • Average October

    60.3 °F

  • Highest 15 October, 2026

    86 °F

Climate (2021–2026)

Half Moon Bay Airport (14.3 miles)

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  • Average Low 2021–2026

    48.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    61.2 °F
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