San Leandro Bay - Arrowhead Marsh Weather Forecast

    • 58
    • 72

    Increasing Clouds

    • 59
    • 72

    Becoming Sunny

    • 57
    • 70

    Chance Rain

    • 57
    • 70

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 60
    • 76

    Partly Sunny

Today 1 Sep San Francisco Bay Shoreline

Sunny. Highs in the mid 70s. West Winds 10 to 20 Mph.

Tonight 1 Sep San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming south 5 to 10 Mph after midnight.

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San Leandro Bay - Arrowhead Marsh Temperature Statistics

September Temperature

Oakland, Metro Oakland International Airport (1.9 miles)

  • Lowest

  • Average September

  • Highest

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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