San Francisco Bay - Alameda Weather Forecast

    • 56
    • 63

    Partly Sunny

    • 57
    • 69

    Mostly Sunny

    • 59
    • 75

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

    • 59
    • 72

    Partly Sunny

    • 59
    • 72

    Partly Sunny

Today 27 Sep San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 60s to lower 70s. West Winds 10 to 20 Mph.

Tonight 27 Sep San Francisco Bay Shoreline

Partly cloudy. Lows in the mid 50s. Southwest Winds 10 to 20 Mph.

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San Francisco Bay - Alameda Temperature Statistics

September Temperature

Oakland, Metro Oakland International Airport (5 miles)

  • Lowest 14 September, 2026

    52.6 °F

  • Average September

    66.2 °F

  • Highest 9 September, 2026

    96.7 °F

Climate (2021–2026)

Oakland, Metro Oakland International Airport (5 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    58.9 °F

  • Average High 2021–2026

    67.2 °F
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