Bay St Louis - Little Bay Weather Forecast

    • 62
    • 73

    Decreasing Clouds

    • 65
    • 75

    Mostly Sunny

    • 68
    • 74

    Partly Sunny

    • 68
    • 75

    Mostly Sunny

    • 70
    • 75

    Mostly Sunny

    • 70
    • 76

    Mostly Cloudy

Today 10 Apr Southern Harrison

Mostly sunny. Highs in the upper 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 10 Apr Southern Harrison

Mostly clear. Near steady temperature around 60. Northeast Winds around 5 Mph.

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Bay St Louis - Little Bay Temperature Statistics

April Temperature

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

  • Lowest 7 April, 2026

    46.4 °F

  • Average April

    71.4 °F

  • Highest 1 April, 2026

    80.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    60.3 °F

  • Average 2021–2026

    71.6 °F

  • Average High 2021–2026

    78.3 °F
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