Grand Bay Weather Forecast
- 23
- 62
Slight Chance Rain Showers
- 31
- 49
Sunny
- 45
- 60
Mostly Cloudy
- 56
- 69
Slight Chance Thunderstorms
- 54
- 71
Chance Rain Showers
- 50
- 68
Partly Sunny
Today 14 Dec Mobile Coastal
Patchy fog this morning. Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms this Morning, then sunny this afternoon. Cooler with Highs in the lower 60s. Temperature falling into the upper 40s this afternoon. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.
Tonight 14 Dec Mobile Coastal
Mostly clear. Much Colder with Lows in the upper 20s. Northeast Winds 15 to 20 Mph with Gusts up to 35 Mph.
Grand Bay Temperature Statistics
December Temperature
Moss Point - Trent Lott International Airport (11.2 miles)
Lowest 9 December, 2025
34 °FAverage December
49.3 °FHighest 12 December, 2025
71.1 °F
Climate (2020–Present)
Moss Point - Trent Lott International Airport (11.2 miles)
Average Low 2020–2025
58.8 °FAverage 2020–2025
69.3 °FAverage High 2020–2025
80.5 °F