Bay St Louis - Little Bay Weather Forecast

    • 70
    • 85

    Becoming Sunny

    • 66
    • 79

    Mostly Sunny

    • 66
    • 79

    Mostly Sunny

    • 67
    • 80

    Sunny

    • 68
    • 81

    Sunny

    • 70
    • 84

    Sunny

Today 9 Oct Southern Harrison

Sunny. Highs in the upper 80s. Northeast Winds 10 to 15 Mph.

Tonight 9 Oct Southern Harrison

Partly cloudy. Lows in the upper 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Bay St Louis - Little Bay Temperature Statistics

October Temperature

Bay St. Louis, Stennis International Airport (9.9 miles)

  • Lowest 1 October, 2025

    66.2 °F

  • Average October

    78.9 °F

  • Highest 1 October, 2025

    89.6 °F

Climate (2020–Present)

Bay St. Louis, Stennis International Airport (9.9 miles)

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  • Average Low 2020–2025

    60.1 °F

  • Average 2020–2025

    71.2 °F

  • Average High 2020–2025

    78 °F
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