Bay St Louis - Little Bay Weather Forecast

    • 65
    • 68

    Rain Showers

    • 48
    • 69

    Rain Showers

    • 37
    • 55

    Mostly Cloudy

    • 39
    • 50

    Mostly Cloudy

    • 46
    • 54

    Chance Rain Showers

    • 43
    • 58

    Slight Chance Rain Showers

Today 9 Jan Southern Harrison

Showers likely with a slight chance of Thunderstorms this Morning, then Showers with a chance of Thunderstorms this afternoon. Highs in the mid 70s. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 9 Jan Southern Harrison

Cloudy with a chance of Thunderstorms. Showers, mainly in the evening. Near steady temperature in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 90 percent.

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Bay St Louis - Little Bay Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    37.4 °F

  • Average January

    65.6 °F

  • Highest 3 January, 2026

    78.8 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    60.1 °F

  • Average 2021–2026

    71.3 °F

  • Average High 2021–2026

    78.1 °F
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