Bay St Louis - Bayou Portage Entrance Weather Forecast

    • 73
    • 83

    Mostly Cloudy

    • 69
    • 78

    Rain Showers

    • 68
    • 76

    Chance Rain Showers

    • 70
    • 82

    Mostly Sunny

    • 71
    • 83

    Mostly Sunny

    • 72
    • 84

    Mostly Sunny

Today 8 Oct Southern Harrison

Partly sunny. Highs in the mid 80s. Northeast Winds 15 to 20 Mph with Gusts up to 25 Mph.

Tonight 8 Oct Southern Harrison

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bay St Louis - Bayou Portage Entrance Temperature Statistics

October Temperature

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