San Francisco Bay - South Basin Weather Forecast

    • 45
    • 58

    Increasing Clouds

    • 46
    • 56

    Mostly Sunny

    • 48
    • 59

    Mostly Sunny

    • 50
    • 60

    Mostly Sunny

    • 50
    • 62

    Mostly Sunny

    • 50
    • 62

    Mostly Sunny

Today 11 Jan San Francisco

Partly cloudy. Highs in the upper 50s. Northeast Winds 5 to 10 Mph.

Tonight 11 Jan San Francisco

Partly cloudy in the evening then becoming mostly clear. Lows in the mid 40s. North Winds 5 to 10 Mph.

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San Francisco Bay - South Basin Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (6.8 miles)

  • Lowest 8 January, 2026

    46.9 °F

  • Average January

    54.6 °F

  • Highest 3 January, 2026

    63 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (6.8 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    66.5 °F
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