Leonville, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leonville, a town in St. Landry County, Louisiana.
This Afternoon
96°F
Sunny
Sunny, with a high near 96. Heat index values as high as 103. Southeast wind around 5 mph.
7-day forecast for Leonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Sunny | 5 mph SE | 0% |
| Tonight | 73°F | Clear | 0 to 5 mph S | 0% |
| Sunday | 97°F | Sunny | 0 to 5 mph E | 2% |
| Sunday Night | 75°F | Mostly Clear | 0 to 5 mph SW | 4% |
| Monday | 98°F | Sunny | 0 to 5 mph N | 8% |
| Monday Night | 75°F | Mostly Clear | 0 mph | 8% |
| Tuesday | 99°F | Sunny | 0 to 5 mph NE | 10% |
| Tuesday Night | 75°F | Partly Cloudy | 0 to 5 mph E | 10% |
| Wednesday | 97°F | Sunny | 0 to 10 mph NE | 4% |
| Wednesday Night | 73°F | Mostly Clear | 0 to 10 mph NE | 4% |
| Thursday | 95°F | Sunny | 5 to 10 mph NE | 1% |
| Thursday Night | 71°F | Mostly Clear | 5 mph NE | 1% |
| Friday | 95°F | Sunny | 5 to 10 mph NE | 1% |
| Friday Night | 70°F | Partly Cloudy | 0 to 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Leonville (30.462, -91.983). Updated through the day.
Growing snapshot for Leonville
Last spring frost
Feb 28
First fall frost
Nov 23
Growing season
267 days
Hardiness zone
9a
More local growing data for Leonville: nearby ZIP 70551 weather · frost dates · planting calendar · Louisiana frost dates
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Washington
Climate data from the nearest NOAA station, Grand Coteau, La (4.7 mi from Leonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.