San Francisco Bay - South San Francisco Weather Forecast

    • 46
    • 56

    Mostly Cloudy

    • 52
    • 58

    Rain

    • 54
    • 61

    Rain

    • 51
    • 62

    Rain Likely

    • 48
    • 60

    Rain

    • 46
    • 58

    Rain

Today 30 Jan San Francisco Bay Shoreline

Mostly cloudy late in the morning then becoming partly cloudy. Highs in the upper 50s. Light Winds. Becoming west around 5 Mph in the afternoon.

Tonight 30 Jan San Francisco Bay Shoreline

Mostly cloudy. A slight chance of rain. Lows in the mid 40s. West Winds around 5 Mph. Becoming southeast after midnight.

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San Francisco Bay - South San Francisco Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (3.1 miles)

  • Lowest 27 January, 2025

    39.9 °F

  • Average January

    53.2 °F

  • Highest 9 January, 2025

    71.7 °F

Climate (2020–Present)

San Francisco, San Francisco International Airport (3.1 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    66.8 °F
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