Grand Bay Weather Forecast

    • 65
    • 89

    Becoming Sunny

    • 67
    • 89

    Rain Showers Likely

    • 51
    • 79

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

Today 17 Oct Concordia

Mostly Cloudy, then becoming mostly sunny this Morning, then becoming sunny. Highs around 90. Light and variable Winds, becoming south 5 to 10 Mph.

Tonight 17 Oct Concordia

Mostly clear. Lows in the mid 60s. South Winds 5 to 10 Mph.

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Grand Bay Temperature Statistics

October Temperature

New Roads False River Regional Airport (28 miles)

  • Lowest 12 October, 2025

    56.1 °F

  • Average October

    72.8 °F

  • Highest 2 October, 2025

    87.3 °F

Climate (2020–Present)

New Roads False River Regional Airport (28 miles)

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  • Average Low 2020–2025

    57.7 °F

  • Average 2020–2025

    66.8 °F

  • Average High 2020–2025

    77.4 °F
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