San Francisco Bay - Oyster Bay Regional Shoreline Weather Forecast

    • 57
    • 72

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

    • 60
    • 80

    Partly Sunny

    • 60
    • 79

    Partly Sunny

    • 61
    • 81

    Mostly Sunny

Today 28 Sep San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the 70s. South Winds up to 5 Mph increasing to northwest 10 to 20 Mph in the afternoon.

Tonight 28 Sep San Francisco Bay Shoreline

Mostly clear. Lows in the mid 50s. West Winds 10 to 20 Mph. Becoming southwest up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Oyster Bay Regional Shoreline Temperature Statistics

September Temperature

Oakland, Metro Oakland International Airport (1.9 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 (1.9 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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