Supreme, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Supreme, a community in Assumption County, Louisiana.
Today
93°F
Sunny
Sunny. High near 93, with temperatures falling to around 91 in the afternoon. Northwest wind around 0 mph.
7-day forecast for Supreme
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 0 mph | 13% |
| Tonight | 76°F | Mostly Clear | 0 mph | 8% |
| Wednesday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 42% |
| Wednesday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 15% |
| Thursday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 52% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 52% |
| Friday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 46% |
| Friday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 46% |
| Saturday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 51% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 51% |
| Sunday | 92°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 70% |
| Sunday Night | 75°F | Showers And Thunderstorms Likely | 0 mph | 70% |
| Monday | 91°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 74% |
| Monday Night | 75°F | Showers And Thunderstorms Likely | 0 mph | 74% |
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 Aug 4, 2026.