Grand Bay, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Bay, a community in Mobile County, Alabama.
Overnight
71°F
Clear
Clear, with a low around 71. North wind around 0 mph.
7-day forecast for Grand Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Clear | 0 mph | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph E | 3% |
| Saturday Night | 73°F | Mostly Clear | 0 to 5 mph SW | 4% |
| Sunday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NW | 27% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 17% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 39% |
| Monday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 39% |
| Tuesday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 27% |
| Tuesday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 27% |
| Wednesday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 18% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 18% |
| Thursday | 91°F | Sunny | 5 to 10 mph NE | 9% |
| Thursday Night | 70°F | Mostly Clear | 0 to 5 mph NE | 9% |
| Friday | 90°F | Sunny | 5 to 10 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Grand Bay (30.472, -88.344). Updated through the day.
Growing snapshot for Grand Bay
Last spring frost
Mar 13
First fall frost
Nov 24
Growing season
255 days
Hardiness zone
9a
More local growing data for Grand Bay: nearby ZIP 36541 weather · frost dates · planting calendar · Alabama frost dates
Nearby towns & communities
Axis
Bayou La Batre
Belle Fontaine
Bucks
Chickasaw
Chunchula
Citronelle
Creola
Dauphin Island
Gulfcrest
Mobile
Mount Vernon
Movico
Prichard
Saraland
Satsuma
Semmes
Theodore
Tillmans Corner
Climate data from the nearest NOAA station, Coden, Al (9.5 mi from Grand Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.