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.
This Afternoon
91°F
Sunny
Sunny. High near 91, with temperatures falling to around 89 in the afternoon. Northeast wind around 10 mph.
7-day forecast for Des Allemands
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Sunny | 10 mph NE | 0% |
| Tonight | 73°F | Clear | 0 to 5 mph E | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph NE | 3% |
| Saturday Night | 74°F | Clear | 0 to 5 mph S | 2% |
| Sunday | 95°F | Sunny | 0 to 5 mph NE | 9% |
| Sunday Night | 76°F | Mostly Clear | 0 to 5 mph SW | 9% |
| Monday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph N | 24% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 24% |
| Tuesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph NE | 17% |
| Tuesday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 17% |
| Wednesday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph NE | 15% |
| Wednesday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph NE | 15% |
| Thursday | 91°F | Sunny | 10 to 15 mph NE | 10% |
| Thursday Night | 75°F | Mostly Clear | 5 to 10 mph NE | 10% |
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
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Bayou Gauche
Boutte
Destrehan
Hahnville
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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 Sep 18, 2026.