Des Allemands, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Des Allemands, a community in St. Charles County, Louisiana.
Today
82°F
Chance Rain Showers
Patchy fog before 9am, then a chance of rain showers between 9am and 2pm. Mostly sunny. High near 82, with temperatures falling to around 79 in the afternoon. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Des Allemands
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Chance Rain Showers | 5 to 10 mph W | 27% |
| Tonight | 59°F | Partly Cloudy then Patchy Fog | 0 to 5 mph NW | 0% |
| Thursday | 82°F | Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 62°F | Partly Cloudy | 0 to 5 mph W | 5% |
| Friday | 79°F | Partly Sunny | 0 to 10 mph N | 8% |
| Friday Night | 58°F | Mostly Clear | 0 to 10 mph N | 1% |
| Saturday | 75°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 53°F | Partly Cloudy | 5 to 10 mph N | 2% |
| Sunday | 68°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph N | 15% |
| Sunday Night | 49°F | Partly Cloudy | 5 mph N | 5% |
| Monday | 70°F | Sunny | 5 to 10 mph N | 6% |
| Monday Night | 49°F | Mostly Clear | 0 to 5 mph N | 5% |
| Tuesday | 73°F | Sunny | 5 mph NE | 6% |
| Tuesday Night | 51°F | Partly Cloudy | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov) for Des Allemands (29.815, -90.471). Updated through the day.
Growing snapshot for Des Allemands
Last spring frost
Jan 30
First fall frost
Dec 31
Growing season
333 days
Hardiness zone
9b
More local growing data for Des Allemands: nearby ZIP 70030 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Ama
Bayou Gauche
Boutte
Destrehan
Hahnville
Killona
Luling
Montz
New Sarpy
Norco
Paradis
St. Rose
Taft
Climate data from the nearest NOAA station, New Orleans Intl Ap, La (16.5 mi from Des Allemands). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.