San Francisco Bay - Fort Mason Weather Forecast

    • 49
    • 56

    Increasing Clouds

    • 51
    • 57

    Mostly Sunny

    • 51
    • 58

    Partly Sunny

    • 51
    • 57

    Partly Sunny

    • 52
    • 59

    Partly Sunny

    • 52
    • 60

    Partly Sunny

    • 52
    • 60

    Mostly Sunny

Today 5 Dec San Francisco

Sunny. Highs in the mid 50s to lower 60s. North Winds around 5 Mph. Becoming west in the afternoon.

Tonight 5 Dec San Francisco

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. West Winds 5 to 10 Mph. Becoming north after midnight.

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San Francisco Bay - Fort Mason Temperature Statistics

December Temperature

Oakland, Metro Oakland International Airport (12.4 miles)

  • Lowest 1 December, 2025

    39.9 °F

  • Average December

    49.4 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

Oakland, Metro Oakland International Airport (12.4 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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