Grand Bay, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Bay, a community in Mobile County, Alabama.
Today
82°F
Areas Of Fog then Slight Chance Showers And Thunderstorms
Areas of fog before 9am, then a slight chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 82, with temperatures falling to around 77 in the afternoon. Southwest wind 0 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Grand Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 33% |
| Tonight | 63°F | Slight Chance Rain Showers then Partly Cloudy | 0 mph | 20% |
| Thursday | 82°F | Mostly Sunny | 0 to 5 mph SW | 4% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Friday | 80°F | Partly Sunny | 5 mph N | 4% |
| Friday Night | 50°F | Mostly Clear | 0 to 5 mph N | 1% |
| Saturday | 75°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 45°F | Partly Cloudy | 5 mph N | 0% |
| Sunday | 69°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph N | 15% |
| Sunday Night | 44°F | Partly Cloudy | 5 mph N | 3% |
| Monday | 72°F | Sunny | 5 to 10 mph N | 5% |
| Monday Night | 44°F | Mostly Clear | 0 to 5 mph N | 6% |
| Tuesday | 73°F | Sunny | 0 to 5 mph N | 7% |
| Tuesday Night | 45°F | Mostly Clear | 0 to 5 mph NW | 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 Nov 4, 2026.