Supreme, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Supreme, a community in Assumption County, Louisiana.
Overnight
67°F
Patchy Fog
Patchy fog before 5am, then patchy fog and a slight chance of rain showers. Mostly cloudy. Low around 67, with temperatures rising to around 70 overnight. South wind around 0 mph. Chance of precipitation is 20%.
7-day forecast for Supreme
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Patchy Fog | 0 mph | 16% |
| Wednesday | 77°F | Patchy Fog then Mostly Sunny | 0 to 5 mph NW | 22% |
| Wednesday Night | 54°F | Mostly Clear then Patchy Fog | 0 mph | 0% |
| Thursday | 79°F | Sunny | 0 mph | 0% |
| Thursday Night | 60°F | Partly Cloudy | 0 mph | 6% |
| Friday | 78°F | Mostly Sunny | 0 to 5 mph N | 7% |
| Friday Night | 55°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 73°F | Mostly Sunny | 5 mph NE | 1% |
| Saturday Night | 49°F | Partly Cloudy | 5 mph N | 3% |
| Sunday | 66°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph N | 15% |
| Sunday Night | 45°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Monday | 68°F | Sunny | 0 to 5 mph N | 5% |
| Monday Night | 45°F | Mostly Clear | 0 mph | 5% |
| Tuesday | 72°F | Sunny | 0 to 5 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for Supreme (29.862, -90.993). Updated through the day.
Growing snapshot for Supreme
Last spring frost
Feb 21
First fall frost
Dec 5
Growing season
291 days
Hardiness zone
9b
More local growing data for Supreme: nearby ZIP 70390 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Donaldsonville 4 Sw, La (12.6 mi from Supreme). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.