Downtown (South San Francisco) Weather Forecast

    • 57
    • 68

    Mostly Cloudy

    • 57
    • 68

    Partly Sunny

    • 56
    • 69

    Partly Sunny

    • 56
    • 69

    Mostly Sunny

    • 55
    • 69

    Mostly Sunny

    • 56
    • 73

    Mostly Sunny

Today 31 Jul San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the 70s. Southwest Winds 5 to 10 Mph. Becoming west 10 to 20 Mph in the afternoon.

Tonight 31 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.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown (South San Francisco) Temperature Statistics

July Temperature

San Francisco, San Francisco International Airport (3.1 miles)

  • Lowest 1 July, 2025

    53.7 °F
  • Average July

    61.3 °F
  • Highest 10 July, 2025

    76.6 °F

Climate (2020–Present)

San Francisco, San Francisco International Airport (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    52.2 °F
  • Average 2020–2025

    58.3 °F
  • Average High 2020–2025

    66.7 °F
Get WillyWeather+ to remove ads