Bay St Louis Weather Forecast

    • 69
    • 80

    Increasing Clouds

    • 71
    • 79

    Mostly Cloudy

    • 71
    • 80

    Breezy

    • 72
    • 80

    Partly Sunny

    • 71
    • 80

    Slight Chance Thunderstorms

    • 70
    • 81

    Slight Chance Thunderstorms

    • 68
    • 82

    Mostly Sunny

Today 25 Apr Southern Hancock

Sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 25 Apr Southern Hancock

Mostly clear this Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bay St Louis Temperature Statistics

April Temperature

Bay St. Louis, Stennis International Airport (8.7 miles)

  • Lowest 4 April, 2024

    44.6 °F

  • Average April

    70.7 °F

  • Highest 20 April, 2024

    84.2 °F

Climate (2019–Present)

Bay St. Louis, Stennis International Airport (8.7 miles)

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  • Average Low 2019–2024

    60.3 °F

  • Average 2019–2024

    71.4 °F

  • Average High 2019–2024

    78.1 °F
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