Bay St Louis - Bayou Portage Entrance Weather Forecast

    • 81
    • 88

    Mostly Sunny

    • 82
    • 88

    Chance Thunderstorms

    • 80
    • 88

    Thunderstorms Likely

    • 76
    • 86

    Thunderstorms

    • 75
    • 86

    Thunderstorms

    • 76
    • 85

    Thunderstorms Likely

Today 9 Jul Southern Harrison

Sunny. Highs in the lower 90s. West Winds around 5 Mph, becoming south this afternoon.

Tonight 9 Jul Southern Harrison

Mostly clear. Humid with Lows in the upper 70s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Bay St Louis - Bayou Portage Entrance Temperature Statistics

July Temperature

Bay St. Louis, Stennis International Airport (11.2 miles)

  • Lowest 6 July, 2026

    71.6 °F

  • Average July

    86.3 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

Bay St. Louis, Stennis International Airport (11.2 miles)

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  • Average Low 2021–2026

    60.4 °F

  • Average 2021–2026

    71.6 °F

  • Average High 2021–2026

    78.5 °F
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