San Francisco Bay - Sierra Point Marina Weather Forecast

    • 52
    • 64

    Chance Rain Showers

    • 50
    • 63

    Mostly Sunny

    • 53
    • 67

    Mostly Cloudy

    • 55
    • 65

    Chance Rain

    • 56
    • 63

    Partly Sunny

    • 55
    • 63

    Partly Sunny

Today 31 Oct San Francisco Bay Shoreline

Mostly cloudy. Highs in the mid 60s. South Winds up to 5 Mph. Becoming west 5 to 15 Mph in the afternoon.

Tonight 31 Oct San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of Showers in the evening. A chance of Showers after midnight. Lows around 50. Southwest Winds 5 to 15 Mph.

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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

    64.7 °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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