Grand Bay Weather Forecast

    • 66
    • 90

    Sunny

    • 69
    • 90

    Mostly Sunny

    • 73
    • 88

    Rain Showers Likely

    • 73
    • 89

    Rain Showers Likely

    • 72
    • 86

    Rain Showers Likely

    • 72
    • 86

    Rain Showers Likely

Today 28 Sep Mobile Coastal

Sunny. Near steady temperature in the upper 80s. Southeast Winds around 5 Mph.

Tonight 28 Sep Mobile Coastal

Clear. Lows in the upper 60s. South Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Bay Temperature Statistics

September Temperature

Moss Point - Trent Lott International Airport (11.2 miles)

  • Lowest 26 September, 2026

    62.1 °F

  • Average September

    81.1 °F

  • Highest 14 September, 2026

    95.6 °F

Climate (2021–2026)

Moss Point - Trent Lott International Airport (11.2 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    69.7 °F

  • Average High 2021–2026

    80.9 °F
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