Grand Bay Weather Forecast

    • 67
    • 90

    Becoming Sunny

    • 66
    • 90

    Mostly Sunny

    • 69
    • 90

    Mostly Sunny

    • 69
    • 91

    Mostly Sunny

    • 70
    • 92

    Partly Sunny

    • 70
    • 89

    Mostly Sunny

Today 16 Sep Mobile Coastal

Sunny. Highs in the upper 80s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph this afternoon.

Tonight 16 Sep Mobile Coastal

Mostly clear. Lows in the lower 70s. South Winds around 5 Mph, becoming west after midnight.

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  • Temperature Real-Time

Grand Bay Temperature Statistics

September Temperature

Moss Point - Trent Lott International Airport (11.2 miles)

  • Lowest 8 September, 2025

    62.1 °F

  • Average September

    76.8 °F

  • Highest 12 September, 2025

    93.9 °F

Climate (2020–Present)

Moss Point - Trent Lott International Airport (11.2 miles)

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  • Average Low 2020–2025

    59 °F

  • Average 2020–2025

    69.4 °F

  • Average High 2020–2025

    80.6 °F
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