St. Martinville, LA Weather & Growing Conditions
Tonight
65°F
Chance Rain Showers
A chance of rain showers after 11pm. Mostly cloudy, with a low around 65. West wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Chance Rain Showers | 5 mph W | 41% |
| Wednesday | 77°F | Mostly Sunny | 5 to 10 mph NW | 10% |
| Wednesday Night | 53°F | Mostly Clear | 0 to 5 mph N | 1% |
| Thursday | 80°F | Sunny | 0 to 5 mph N | 5% |
| Thursday Night | 57°F | Chance Rain Showers | 0 mph | 29% |
| Friday | 79°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 10 mph N | 18% |
| Friday Night | 52°F | Mostly Clear | 5 mph N | 3% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph N | 5% |
| Saturday Night | 46°F | Partly Cloudy | 5 to 10 mph N | 12% |
| Sunday | 69°F | Mostly Sunny | 5 to 15 mph N | 7% |
| Sunday Night | 43°F | Mostly Clear | 5 mph N | 4% |
| Monday | 71°F | Sunny | 5 to 10 mph N | 4% |
| Monday Night | 43°F | Mostly Clear | 0 to 5 mph N | 3% |
| Tuesday | 75°F | Sunny | 0 to 5 mph E | 1% |
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 Nov 4, 2026.