San Francisco Bay - Sierra Point Marina Weather Forecast

    • 47
    • 64

    Increasing Clouds

    • 48
    • 65

    Mostly Cloudy

    • 49
    • 66

    Mostly Cloudy

    • 49
    • 62

    Mostly Cloudy

    • 47
    • 62

    Mostly Sunny

    • 47
    • 65

    Mostly Sunny

Today 29 Jan San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the 60s. North Winds around 5 Mph.

Tonight 29 Jan San Francisco Bay Shoreline

Partly cloudy. Lows in the mid 40s. Northeast Winds up to 5 Mph.

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San Francisco Bay - Sierra Point Marina Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 10 January, 2026

    40.6 °F

  • Average January

    53.5 °F

  • Highest 16 January, 2026

    71.7 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (3.7 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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