Bay St Louis - Bayou Portage Entrance Weather Forecast

    • 63
    • 68

    Dense Fog

    • 66
    • 68

    Mostly Cloudy

    • 65
    • 69

    Rain Showers

    • 47
    • 67

    Rain Showers Likely

    • 37
    • 54

    Mostly Cloudy

    • 40
    • 50

    Mostly Cloudy

    • 44
    • 54

    Mostly Cloudy

Today 7 Jan Southern Harrison

Mostly cloudy this Morning, then becoming mostly sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 7 Jan Southern Harrison

Mostly cloudy. Patchy fog this evening. Widespread fog after midnight. Visibility one quarter mile or less at Times after midnight. Lows in the lower 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bay St Louis - Bayou Portage Entrance Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    37.4 °F

  • Average January

    62.5 °F

  • Highest 3 January, 2026

    78.8 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    60.1 °F

  • Average 2021–2026

    71.3 °F

  • Average High 2021–2026

    78 °F
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