Grand Bay Weather Forecast

    • 73
    • 91

    Slight Chance Thunderstorms

    • 70
    • 91

    Sunny

    • 72
    • 93

    Sunny

    • 74
    • 94

    Mostly Sunny

    • 73
    • 93

    Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

Today 16 Sep Mobile Coastal

Sunny with a slight chance of Showers and Thunderstorms. Humid with Highs in the lower 90s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 16 Sep Mobile Coastal

Clear. Lows in the mid 70s. East Winds 5 to 10 Mph.

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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 13 September, 2026

    71.1 °F

  • Average September

    82 °F

  • Highest 3 September, 2026

    93.7 °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

    69.6 °F

  • Average High 2021–2026

    80.8 °F
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