San Francisco Bay - Sierra Point Marina Weather Forecast

    • 55
    • 69

    Gradual Clearing

    • 57
    • 70

    Mostly Cloudy

    • 59
    • 72

    Mostly Cloudy

    • 60
    • 77

    Partly Sunny

    • 59
    • 68

    Partly Sunny

    • 58
    • 66

    Mostly Cloudy

Today 18 Jul San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the 60s to upper 70s. West Winds 5 to 10 Mph. Becoming northwest 10 to 20 Mph in the afternoon.

Tonight 18 Jul San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Sierra Point Marina Temperature Statistics

July Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 11 July, 2026

    53.7 °F

  • Average July

    63.7 °F

  • Highest 14 July, 2026

    83.6 °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

    52.5 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    66.8 °F
Get WillyWeather+ to remove ads