St. Martinville, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Martinville, a city in St. Martin County, Louisiana.
Today
77°F
Mostly Sunny
Mostly sunny. High near 77, with temperatures falling to around 72 in the afternoon. Northwest wind 5 to 10 mph.
7-day forecast for St. Martinville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Sunny | 5 to 10 mph NW | 1% |
| Tonight | 52°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 79°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 5 mph NW | 6% |
| Friday | 80°F | Mostly Sunny | 5 to 10 mph N | 3% |
| Friday Night | 53°F | Mostly Clear | 5 to 10 mph N | 2% |
| Saturday | 75°F | Mostly Sunny | 10 mph NE | 1% |
| Saturday Night | 48°F | Partly Cloudy | 10 mph N | 4% |
| Sunday | 68°F | Slight Chance Rain Showers | 10 mph N | 15% |
| Sunday Night | 44°F | Partly Cloudy | 5 mph N | 4% |
| Monday | 70°F | Sunny | 5 to 10 mph N | 4% |
| Monday Night | 43°F | Mostly Clear | 0 to 5 mph N | 3% |
| Tuesday | 74°F | Sunny | 0 to 5 mph N | 4% |
| Tuesday Night | 46°F | Mostly Clear | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov) for St. Martinville (30.127, -91.831). Updated through the day.
Growing snapshot for St. Martinville
Last spring frost
Feb 19
First fall frost
Dec 1
Growing season
289 days
Hardiness zone
9a
More local growing data for St. Martinville: nearby ZIP 70582 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lafayette 13 Se, La (7.7 mi from St. Martinville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.