Grand Bay Weather Forecast

    • 74
    • 95

    Mostly Sunny

    • 74
    • 95

    Slight Chance Thunderstorms

    • 74
    • 93

    Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

    • 72
    • 93

    Chance Thunderstorms

    • 70
    • 91

    Slight Chance Thunderstorms

Today 19 Sep Mobile Coastal

Sunny. Highs in the mid 90s. North Winds around 5 Mph, becoming south around 5 Mph in the afternoon.

Tonight 19 Sep Mobile Coastal

Partly cloudy in the Evening, then clearing. Lows in the mid 70s. Southwest 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 13 September, 2026

    71.7 °F

  • Average September

    82.3 °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

    69.6 °F

  • Average High 2021–2026

    80.9 °F
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