Sheffield Weather Forecast

    • 55
    • 75

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

Today 17 Oct San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the 70s. Southeast Winds around 5 Mph. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 17 Oct San Francisco Bay Shoreline

Mostly clear. Lows in the mid 50s. Northwest Winds 10 to 15 Mph decreasing to around 5 Mph after midnight.

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Sheffield Temperature Statistics

October Temperature

Hayward, Hayward Air Terminal (5 miles)

  • Lowest 14 October, 2025

    50 °F

  • Average October

    63.3 °F

  • Highest 6 October, 2025

    84 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (5 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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