Grand Bay Weather Forecast
- 77
- 94
Chance Thunderstorms
- 77
- 92
Chance Rain Showers
- 78
- 91
Chance Thunderstorms
- 77
- 92
Chance Thunderstorms
- 76
- 91
Chance Thunderstorms
- 74
- 92
Thunderstorms Likely
Today 8 Jul Mobile Coastal
Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 109.
Tonight 8 Jul Mobile Coastal
Mostly clear. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 106 early.
Grand Bay Temperature Statistics
July Temperature
Moss Point - Trent Lott International Airport (11.2 miles)
Lowest 1 July, 2026
73.7 °FAverage July
83.3 °FHighest 1 July, 2026
94.6 °F
Climate (2021–2026)
Moss Point - Trent Lott International Airport (11.2 miles)
Average Low 2021–2026
58.8 °FAverage 2021–2026
69.5 °FAverage High 2021–2026
80.8 °F