San Francisco Bay - Fort Mason Weather Forecast

    • 59
    • 65

    Mostly Sunny

    • 57
    • 69

    Mostly Sunny

    • 55
    • 61

    Partly Sunny

    • 56
    • 62

    Partly Sunny

    • 57
    • 61

    Partly Sunny

    • 56
    • 59

    Mostly Cloudy

Today 20 Sep San Francisco

Sunny. Highs in the 60s to 70s. Northwest Winds 5 to 10 Mph. Becoming west 10 to 20 Mph in the afternoon.

Tonight 20 Sep San Francisco

Mostly clear. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming southeast 5 to 10 Mph after midnight.

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San Francisco Bay - Fort Mason Temperature Statistics

September Temperature

Oakland, Metro Oakland International Airport (12.4 miles)

  • Lowest 4 September, 2021

    52 °F

  • Average September

    63.4 °F

  • Highest 6 September, 2021

    84 °F

Climate (2010–Present)

Oakland, Metro Oakland International Airport (12.4 miles)

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  • Average Low 2010–Present

    52 °F

  • Average 2010–Present

    58.9 °F

  • Average High 2010–Present

    67.6 °F
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