Assumption Parish Weather Forecast

    • 56
    • 74

    Becoming Sunny

    • 57
    • 80

    Mostly Sunny

    • 57
    • 79

    Partly Sunny

    • 55
    • 69

    Mostly Cloudy

    • 55
    • 69

    Mostly Cloudy

    • 59
    • 70

    Chance Rain

Today 19 Oct San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the 70s. Northwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 19 Oct San Francisco Bay Shoreline

Mostly clear. Lows in the mid 50s. West Winds 10 to 20 Mph. Becoming north 5 to 10 Mph after midnight.

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Assumption Parish Temperature Statistics

October Temperature

Hayward, Hayward Air Terminal (4.3 miles)

  • Lowest 14 October, 2025

    50 °F

  • Average October

    62.5 °F

  • Highest 6 October, 2025

    84 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (4.3 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    59.2 °F

  • Average High 2020–2025

    68.9 °F
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