San Leandro Bay - Arrowhead Marsh Weather Forecast

    • 57
    • 90

    Sunny

    • 54
    • 70

    Partly Sunny

    • 53
    • 63

    Mostly Cloudy

    • 54
    • 67

    Chance Rain Showers

    • 55
    • 70

    Slight Chance Rain

    • 54
    • 67

    Partly Sunny

    • 52
    • 67

    Mostly Sunny

Today 17 Oct San Francisco Bay Shoreline

Sunny. Highs in the 80s. Northwest Winds up to 5 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 17 Oct San Francisco Bay Shoreline

Mostly clear. Lows in the mid 50s. West Winds 5 to 15 Mph.

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San Leandro Bay - Arrowhead Marsh Temperature Statistics

October Temperature

Oakland, Metro Oakland International Airport (1.9 miles)

  • Lowest 13 October, 2026

    46.7 °F

  • Average October

    65.8 °F

  • Highest 3 October, 2026

    91.7 °F

Climate (2021–2026)

Oakland, Metro Oakland International Airport (1.9 miles)

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  • Average Low 2021–2026

    51.2 °F

  • Average 2021–2026

    59 °F

  • Average High 2021–2026

    67.2 °F
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