Grand Bay Weather Forecast

    • 75
    • 94

    Chance Thunderstorms

    • 74
    • 93

    Chance Thunderstorms

    • 74
    • 91

    Thunderstorms Likely

    • 73
    • 90

    Thunderstorms Likely

    • 73
    • 90

    Chance Thunderstorms

    • 71
    • 92

    Slight Chance Thunderstorms

Today 20 Aug Mobile Coastal

Sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 90s. Northeast Winds around 5 Mph, becoming south around 5 Mph in the afternoon. Chance of rain 30 percent.

Tonight 20 Aug Mobile Coastal

Mostly clear. Near steady temperature in the upper 70s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Bay Temperature Statistics

August Temperature

Moss Point - Trent Lott International Airport (11.2 miles)

  • Lowest 9 August, 2025

    70.6 °F

  • Average August

    82.7 °F

  • Highest 17 August, 2025

    96.1 °F

Climate (2020–Present)

Moss Point - Trent Lott International Airport (11.2 miles)

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  • Average Low 2020–2025

    59.1 °F

  • Average 2020–2025

    69.4 °F

  • Average High 2020–2025

    80.6 °F
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