St. Martinville, LA Weather & Growing Conditions
Today
94°F
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 100. Northwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NW | 33% |
| Tonight | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SW | 23% |
| Wednesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 19% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 5 mph S | 5% |
| Thursday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 39% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 39% |
| Friday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 27% |
| Friday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 27% |
| Saturday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 32% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 32% |
| Sunday | 93°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 58% |
| Sunday Night | 75°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 58% |
| Monday | 92°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 62% |
| Monday Night | 75°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 62% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Martinville, LA
Last spring frost
Feb 19
First fall frost
Dec 1
Growing season
289 days
Hardiness zone
9a
Explore more for St. Martinville, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Lafayette 13 Se, La (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.