South Basin Weather Forecast

    • 47
    • 65

    Partly Sunny

    • 45
    • 64

    Mostly Sunny

    • 47
    • 63

    Partly Sunny

    • 48
    • 62

    Partly Sunny

    • 48
    • 62

    Patchy Fog

    • 47
    • 61

    Partly Sunny

    • 47
    • 61

    Partly Sunny

Today 18 Jan San Francisco

Partly cloudy. Highs in the lower to mid 60s. North Winds 5 to 10 Mph.

Tonight 18 Jan San Francisco

Partly cloudy. Lows in the upper 40s. North Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Basin Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (7.5 miles)

  • Lowest 10 January, 2026

    41 °F

  • Average January

    52.9 °F

  • Highest 16 January, 2026

    69.1 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (7.5 miles)

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

  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    66.5 °F
Get WillyWeather+ to remove ads