San Francisco Bay - South Beach Harbor Weather Forecast

    • 48
    • 55

    Becoming Sunny

    • 50
    • 55

    Mostly Sunny

    • 51
    • 58

    Mostly Sunny

    • 51
    • 61

    Mostly Sunny

    • 51
    • 61

    Mostly Sunny

    • 50
    • 61

    Mostly Sunny

    • 51
    • 61

    Partly Sunny

Today 7 Dec San Francisco

Partly cloudy. Highs in the mid 50s. Northwest Winds around 5 Mph.

Tonight 7 Dec San Francisco

Mostly clear except patchy fog. Lows in the upper 40s. North Winds around 5 Mph.

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San Francisco Bay - South Beach Harbor Temperature Statistics

December Temperature

Oakland, Metro Oakland International Airport (9.3 miles)

  • Lowest 1 December, 2025

    39.9 °F

  • Average December

    48.9 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

Oakland, Metro Oakland International Airport (9.3 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    58.6 °F

  • Average High 2020–2025

    66.9 °F
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