San Francisco Bay - South San Francisco Weather Forecast

    • 58
    • 73

    Increasing Clouds

    • 58
    • 70

    Mostly Cloudy

    • 57
    • 69

    Partly Sunny

    • 58
    • 71

    Partly Sunny

    • 58
    • 66

    Partly Sunny

    • 57
    • 65

    Mostly Cloudy

    • 57
    • 65

    Mostly Cloudy

Today 19 Aug San Francisco Bay Shoreline

Sunny. Highs in the mid 70s to lower 80s. Northwest Winds 10 to 20 Mph.

Tonight 19 Aug San Francisco Bay Shoreline

Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 50s. West Winds 5 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - South San Francisco Temperature Statistics

August Temperature

San Francisco, San Francisco International Airport (3.1 miles)

  • Lowest 3 August, 2026

    56.6 °F

  • Average August

    65.4 °F

  • Highest 2 August, 2026

    80.7 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (3.1 miles)

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

  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    66.8 °F
Get WillyWeather+ to remove ads