San Francisco Bay - Sierra Point Marina Weather Forecast

    • 52
    • 63

    Increasing Clouds

    • 54
    • 66

    Rain Showers Likely

    • 54
    • 66

    Rain Showers Likely

    • 52
    • 65

    Partly Sunny

    • 51
    • 68

    Mostly Sunny

    • 53
    • 70

    Slight Chance Rain Showers

Today 19 Oct San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Highs in the 60s. West Winds 10 to 20 Mph.

Tonight 19 Oct San Francisco Bay Shoreline

Mostly cloudy. Lows in the lower 50s. West Winds 10 to 20 Mph. Becoming southwest up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Sierra Point Marina Temperature Statistics

October Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 12 October, 2026

    50.6 °F

  • Average October

    66 °F

  • Highest 3 October, 2026

    90.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (3.7 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    66.9 °F
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