San Francisco Bay - Sierra Point Marina Weather Forecast

    • 53
    • 66

    Increasing Clouds

    • 51
    • 63

    Chance Rain

    • 51
    • 64

    Mostly Sunny

    • 56
    • 66

    Mostly Cloudy

    • 55
    • 63

    Chance Rain

    • 56
    • 62

    Chance Rain

Today 30 Oct San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the upper 60s. Southwest Winds up to 5 Mph increasing to west 10 to 20 Mph in the afternoon.

Tonight 30 Oct San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. West Winds 10 to 15 Mph. Becoming south 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

    64.8 °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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