Killona, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Killona, a community in St. Charles County, Louisiana.
This Afternoon
91°F
Sunny
Sunny. High near 91, with temperatures falling to around 89 in the afternoon. Northeast wind 5 to 10 mph.
7-day forecast for Killona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Sunny | 5 to 10 mph NE | 0% |
| Tonight | 73°F | Clear | 0 to 5 mph E | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph NE | 3% |
| Saturday Night | 74°F | Clear | 0 mph | 2% |
| Sunday | 95°F | Sunny | 0 to 5 mph NE | 7% |
| Sunday Night | 76°F | Mostly Clear | 0 mph | 7% |
| Monday | 94°F | Sunny then Chance Showers And Thunderstorms | 5 mph N | 26% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 26% |
| Tuesday | 95°F | Sunny | 0 to 5 mph NE | 14% |
| Tuesday Night | 76°F | Mostly Clear | 0 to 5 mph E | 14% |
| Wednesday | 93°F | Sunny | 0 to 10 mph NE | 10% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 5 mph NE | 10% |
| Thursday | 91°F | Sunny | 10 mph NE | 9% |
| Thursday Night | 75°F | Mostly Clear | 5 to 10 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Killona (29.997, -90.484). Updated through the day.
Growing snapshot for Killona
Last spring frost
Feb 9
First fall frost
Dec 14
Growing season
308 days
Hardiness zone
9b
More local growing data for Killona: nearby ZIP 70057 weather · frost dates · planting calendar · Louisiana frost dates
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Climate data from the nearest NOAA station, Reserve, La (9.5 mi from Killona). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.