Killona, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Killona, a community in St. Charles County, Louisiana.
Today
81°F
Patchy Fog then Mostly Sunny
Patchy fog before 8am, then patchy fog and a slight chance of rain showers between 8am and 11am. Mostly sunny. High near 81, with temperatures falling to around 77 in the afternoon. West wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for Killona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Fog then Mostly Sunny | 0 to 5 mph W | 22% |
| Tonight | 58°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 80°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 61°F | Partly Cloudy | 0 to 5 mph NW | 4% |
| Friday | 79°F | Mostly Sunny | 0 to 5 mph N | 5% |
| Friday Night | 57°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 52°F | Partly Cloudy | 5 to 10 mph N | 2% |
| Sunday | 68°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph N | 15% |
| Sunday Night | 49°F | Partly Cloudy | 5 mph N | 5% |
| Monday | 69°F | Sunny | 0 to 10 mph N | 6% |
| Monday Night | 49°F | Mostly Clear | 0 to 5 mph N | 5% |
| Tuesday | 72°F | Sunny | 0 to 5 mph NE | 5% |
| Tuesday Night | 50°F | Partly Cloudy | 0 mph | 3% |
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
Nearby towns & communities
Ama
Bayou Gauche
Boutte
Des Allemands
Destrehan
Hahnville
Luling
Montz
New Sarpy
Norco
Paradis
St. Rose
Taft
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 Nov 4, 2026.