Gulf of the Farallones Marine Sanctuary Weather Forecast

    • 59
    • 73

    Mostly Sunny

    • 58
    • 65

    Mostly Sunny

    • 56
    • 60

    Mostly Cloudy

    • 56
    • 59

    Chance Rain

    • 56
    • 60

    Chance Rain

    • 57
    • 61

    Mostly Cloudy

    • 56
    • 60

    Mostly Cloudy

Today 16 Oct San Francisco Peninsula Coast

Sunny. Highs in the upper 70s to mid 80s. Northwest Winds around 5 Mph.

Tonight 16 Oct San Francisco Peninsula Coast

Mostly clear. Lows in the upper 50s. North Winds around 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gulf of the Farallones Marine Sanctuary Temperature Statistics

October Temperature

Half Moon Bay Airport (11.8 miles)

  • Lowest 13 October, 2026

    44.6 °F

  • Average October

    58.7 °F

  • Highest 3 October, 2026

    75.2 °F

Climate (2021–2026)

Half Moon Bay Airport (11.8 miles)

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  • Average Low 2021–2026

    48.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    61.1 °F
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