Plaquemine, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plaquemine, a city in Iberville County, Louisiana.
Overnight
67°F
Chance Rain Showers
A chance of rain showers and patchy fog. Mostly cloudy. Low around 67, with temperatures rising to around 70 overnight. West wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Plaquemine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Chance Rain Showers | 5 mph W | 39% |
| Wednesday | 78°F | Patchy Fog then Mostly Sunny | 5 mph NW | 16% |
| Wednesday Night | 55°F | Mostly Clear then Patchy Fog | 0 to 5 mph N | 0% |
| Thursday | 80°F | Sunny | 0 mph | 0% |
| Thursday Night | 60°F | Partly Cloudy | 0 mph | 4% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph N | 3% |
| Friday Night | 56°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 50°F | Partly Cloudy | 5 mph N | 3% |
| Sunday | 68°F | Mostly Sunny | 5 to 10 mph N | 13% |
| Sunday Night | 46°F | Partly Cloudy | 5 mph N | 4% |
| Monday | 70°F | Sunny | 0 to 5 mph N | 4% |
| Monday Night | 46°F | Mostly Clear | 0 mph | 4% |
| Tuesday | 74°F | Sunny | 0 to 5 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov) for Plaquemine (30.283, -91.244). Updated through the day.
Growing snapshot for Plaquemine
Last spring frost
Feb 28
First fall frost
Nov 26
Growing season
272 days
Hardiness zone
9a
More local growing data for Plaquemine: nearby ZIP 70780 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lsu Ben-Hur Farm, La (4.7 mi from Plaquemine). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.