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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
80°F
Sunny
Sunny. High near 80, with temperatures falling to around 71 in the afternoon. Northwest wind around 5 mph.

7-day forecast for Killona

WhenTempForecastWindPrecip
This Afternoon 80°F Sunny 5 mph NW 3%
Tonight 59°F Mostly Clear 0 to 5 mph N 0%
Thursday 80°F Sunny 0 to 5 mph NE 0%
Thursday Night 58°F Mostly Clear 0 mph 2%
Friday 78°F Mostly Sunny 0 to 5 mph N 3%
Friday Night 58°F Mostly Clear 0 to 10 mph N 0%
Saturday 75°F Mostly Sunny 5 to 10 mph NE 0%
Saturday Night 52°F Partly Cloudy 5 to 10 mph NE 1%
Sunday 67°F Slight Chance Rain Showers then Partly Sunny 5 to 10 mph N 15%
Sunday Night 50°F Mostly Cloudy 5 mph N 2%
Monday 70°F Mostly Sunny 0 to 5 mph N 4%
Monday Night 51°F Partly Cloudy 0 to 5 mph N 5%
Tuesday 73°F Slight Chance Rain Showers then Mostly Sunny 0 to 5 mph N 15%
Tuesday Night 52°F Partly Cloudy 0 mph 5%

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 Nov 5, 2026.