Grand Bay Weather Forecast

    • 55
    • 67

    Chance Rain Showers

    • 55
    • 71

    Chance Rain Showers

    • 46
    • 68

    Chance Rain Showers

    • 39
    • 59

    Rain Showers

    • 27
    • 49

    Chance Rain Showers

    • 24
    • 46

    Mostly Sunny

Today 21 Jan Mobile Coastal

Partly sunny this Morning, then becoming mostly cloudy. Highs in the upper 60s. Southeast Winds 5 to 10 Mph.

Tonight 21 Jan Mobile Coastal

Cloudy with a 20 percent chance of Showers. Not as cool with Lows in the mid 50s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Bay Temperature Statistics

January Temperature

Moss Point - Trent Lott International Airport (11.2 miles)

  • Lowest 19 January, 2026

    25 °F

  • Average January

    54.8 °F

  • Highest 9 January, 2026

    79 °F

Climate (2021–Present)

Moss Point - Trent Lott International Airport (11.2 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    69.4 °F

  • Average High 2021–2026

    80.6 °F
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