San Francisco Bay - Sandpiper Spit Weather Forecast

    • 61
    • 67

    Chance Rain Showers

    • 60
    • 68

    Slight Chance Rain Showers

    • 59
    • 70

    Mostly Sunny

    • 60
    • 71

    Mostly Sunny

    • 61
    • 77

    Mostly Sunny

    • 62
    • 72

    Slight Chance Rain Showers

Today 18 Sep San Francisco Bay Shoreline

Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers and isolated Thunderstorms in the afternoon. Highs in the mid 70s to lower 80s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 18 Sep San Francisco Bay Shoreline

Mostly cloudy. A chance of Showers and isolated Thunderstorms. Lows in the mid 60s. West Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Sandpiper Spit Temperature Statistics

September Temperature

Oakland, Metro Oakland International Airport (14.9 miles)

  • Lowest 8 September, 2025

    57.9 °F

  • Average September

    65.8 °F

  • Highest 15 September, 2025

    84 °F

Climate (2020–Present)

Oakland, Metro Oakland International Airport (14.9 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    58.7 °F

  • Average High 2020–2025

    67.2 °F
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