San Francisco Bay - Sierra Point Marina Weather Forecast

    • 52
    • 68

    Becoming Sunny

    • 51
    • 71

    Mostly Sunny

    • 52
    • 70

    Partly Sunny

    • 52
    • 66

    Mostly Sunny

    • 51
    • 66

    Partly Sunny

    • 52
    • 65

    Mostly Cloudy

Today 23 Oct San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 60s. North Winds 5 to 10 Mph. Becoming northwest 10 to 20 Mph in the afternoon.

Tonight 23 Oct San Francisco Bay Shoreline

Mostly clear. Lows near 50. Northwest Winds 10 to 20 Mph. Becoming north up to 5 Mph after midnight.

Graph Plots Open in Graphs

  • 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

    65.9 °F

  • Highest 3 October, 2026

    90.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    66.9 °F
Get WillyWeather+ to remove ads