Back Bay of Biloxi - Big Island Weather Forecast

    • 64
    • 72

    Mostly Cloudy

    • 63
    • 73

    Rain Showers

    • 45
    • 71

    Rain Showers

    • 32
    • 57

    Partly Sunny

    • 34
    • 52

    Partly Sunny

    • 42
    • 55

    Mostly Cloudy

Today 8 Jan Southern Harrison

Mostly cloudy this Morning, then becoming partly sunny. Widespread dense fog this morning with visibility one quarter mile or less at Times. Highs in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Jan Southern Harrison

Mostly cloudy. A slight chance of Showers after midnight. Near steady temperature in the upper 60s. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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Back Bay of Biloxi - Big Island Temperature Statistics

January Temperature

Keesler Air Force Base / Biloxi (1.9 miles)

  • Lowest 1 January, 2026

    43.7 °F

  • Average January

    60.7 °F

  • Highest 3 January, 2026

    73 °F

Climate (2021–Present)

Keesler Air Force Base / Biloxi (1.9 miles)

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  • Average Low 2021–2026

    62.3 °F

  • Average 2021–2026

    69.7 °F

  • Average High 2021–2026

    77.3 °F
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