Grand Bay Weather Forecast

    • 77
    • 94

    Slight Chance Thunderstorms

    • 76
    • 95

    Mostly Sunny

    • 77
    • 96

    Slight Chance Thunderstorms

    • 77
    • 96

    Chance Thunderstorms

    • 77
    • 96

    Slight Chance Thunderstorms

    • 77
    • 97

    Hot

Today 13 Aug Mobile Coastal

Mostly sunny. Near steady temperature around 90. Southwest Winds 5 to 10 Mph. Heat index Values up to 108.

Tonight 13 Aug Mobile Coastal

Mostly clear. Humid with Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Heat index Values up to 105 early.

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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 3 August, 2026

    68.6 °F

  • Average August

    82.2 °F

  • Highest 4 August, 2026

    94.6 °F

Climate (2021–2026)

Moss Point - Trent Lott International Airport (11.2 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    69.6 °F

  • Average High 2021–2026

    80.8 °F
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