Bay St Louis - Little Bay Weather Forecast

    • 67
    • 76

    Rain Showers

    • 67
    • 77

    Chance Rain Showers

    • 68
    • 83

    Mostly Sunny

    • 69
    • 84

    Mostly Sunny

    • 71
    • 84

    Mostly Sunny

    • 73
    • 84

    Sunny

Today 9 Oct Southern Harrison

Tropical storm Conditions possible. Cloudy with a 50 percent chance of Showers. Highs in the upper 70s. Northeast Winds 20 to 30 Mph with Gusts up to 50 Mph.

Tonight 9 Oct Southern Harrison

Tropical storm Conditions possible. Mostly cloudy. A chance of Showers, mainly in the evening. Lows in the mid 60s. North Winds 20 to 30 Mph. Gusts up to 50 Mph, decreasing to 40 Mph after midnight. Chance of rain 50 percent.

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Bay St Louis - Little Bay Temperature Statistics

October Temperature

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

  • Lowest 6 October, 2026

    71.6 °F

  • Average October

    80.4 °F

  • Highest 2 October, 2026

    91.4 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    60.5 °F

  • Average 2021–2026

    71.8 °F

  • Average High 2021–2026

    78.6 °F
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