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Welcome, LA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Welcome, a community in St. James County, Louisiana.

Tonight
71°F
Clear
Clear, with a low around 71. East wind around 0 mph.

7-day forecast for Welcome

WhenTempForecastWindPrecip
Tonight 71°F Clear 0 mph 0%
Saturday 94°F Sunny 0 to 5 mph NE 2%
Saturday Night 73°F Clear 0 mph 2%
Sunday 95°F Sunny 0 mph 12%
Sunday Night 75°F Mostly Clear 0 mph 12%
Monday 95°F Sunny then Chance Showers And Thunderstorms 0 to 5 mph NE 34%
Monday Night 74°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 34%
Tuesday 95°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph NE 15%
Tuesday Night 75°F Slight Chance Showers And Thunderstorms then Mostly Clear 0 mph 15%
Wednesday 94°F Sunny 0 to 5 mph NE 13%
Wednesday Night 74°F Mostly Clear 0 to 5 mph NE 13%
Thursday 91°F Sunny 5 mph NE 9%
Thursday Night 72°F Mostly Clear 0 to 5 mph NE 9%
Friday 89°F Sunny 5 mph NE 4%

Forecast source: National Weather Service (api.weather.gov) for Welcome (30.044, -90.884). Updated through the day.

Growing snapshot for Welcome

Last spring frost
Feb 21
First fall frost
Dec 5
Growing season
291 days
Hardiness zone
9a

More local growing data for Welcome: nearby ZIP 70086 weather · frost dates · planting calendar · Louisiana frost dates

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Climate data from the nearest NOAA station, Donaldsonville 4 Sw, La (10 mi from Welcome). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.