Back Bay of Biloxi - Big Island Weather Forecast

    • 57
    • 80

    Sunny

    • 54
    • 77

    Sunny

    • 55
    • 78

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

    • 53
    • 76

    Partly Sunny

    • 53
    • 77

    Mostly Sunny

Today 23 Oct Southern Harrison

Sunny. Highs around 80. Northeast Winds around 5 Mph, becoming east in the afternoon.

Tonight 23 Oct Southern Harrison

Clear. Lows in the upper 50s. East Winds 5 to 10 Mph.

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Back Bay of Biloxi - Big Island Temperature Statistics

October Temperature

Keesler Air Force Base / Biloxi (1.9 miles)

  • Lowest 18 October, 2026

    51.6 °F

  • Average October

    74.4 °F

  • Highest 1 October, 2026

    90.1 °F

Climate (2021–2026)

Keesler Air Force Base / Biloxi (1.9 miles)

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  • Average Low 2021–2026

    62.9 °F

  • Average 2021–2026

    70.3 °F

  • Average High 2021–2026

    77.9 °F
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