San Lorenzo Weather Forecast

    • 55
    • 75

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

Today 17 Oct San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the 70s. East Winds around 5 Mph. Becoming northwest in the afternoon.

Tonight 17 Oct San Francisco Bay Shoreline

Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Becoming southeast after midnight.

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San Lorenzo Temperature Statistics

October Temperature

Hayward, Hayward Air Terminal (1.2 miles)

  • Lowest 14 October, 2025

    50 °F

  • Average October

    62.9 °F

  • Highest 6 October, 2025

    84 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (1.2 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    59.3 °F

  • Average High 2020–2025

    68.9 °F
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