Cecilia, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cecilia, a community in St. Martin County, Louisiana.
This Afternoon
94°F
Sunny
Sunny, with a high near 94. Heat index values as high as 97. East wind 5 to 10 mph.
7-day forecast for Cecilia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Sunny | 5 to 10 mph E | 0% |
| Tonight | 71°F | Clear | 0 to 5 mph SE | 0% |
| Saturday | 96°F | Sunny | 0 to 5 mph NE | 1% |
| Saturday Night | 73°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 96°F | Sunny | 0 to 5 mph E | 4% |
| Sunday Night | 75°F | Mostly Clear | 0 to 5 mph SW | 4% |
| Monday | 97°F | Mostly Sunny | 0 to 5 mph N | 14% |
| Monday Night | 75°F | Partly Cloudy | 0 mph | 14% |
| Tuesday | 97°F | Sunny | 0 to 5 mph NE | 11% |
| Tuesday Night | 75°F | Mostly Clear | 0 to 5 mph E | 11% |
| Wednesday | 96°F | Sunny | 0 to 10 mph NE | 6% |
| Wednesday Night | 73°F | Mostly Clear | 5 to 10 mph NE | 6% |
| Thursday | 94°F | Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 71°F | Mostly Clear | 5 to 10 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Cecilia (30.336, -91.848). Updated through the day.
Growing snapshot for Cecilia
Last spring frost
Feb 13
First fall frost
Dec 4
Growing season
299 days
Hardiness zone
9a
More local growing data for Cecilia: nearby ZIP 70517 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lafayette Rgnl Ap, La (13.4 mi from Cecilia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.