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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.

Overnight
67°F
Patchy Fog
Patchy fog before 5am, then patchy fog and a slight chance of rain showers. Mostly cloudy. Low around 67, with temperatures rising to around 70 overnight. South wind around 0 mph. Chance of precipitation is 20%.

7-day forecast for Welcome

WhenTempForecastWindPrecip
Overnight 67°F Patchy Fog 0 mph 18%
Wednesday 79°F Patchy Fog then Mostly Sunny 0 to 5 mph NW 23%
Wednesday Night 55°F Mostly Clear then Patchy Fog 0 mph 0%
Thursday 80°F Sunny 0 mph 0%
Thursday Night 60°F Partly Cloudy 0 mph 5%
Friday 79°F Mostly Sunny 0 to 5 mph N 5%
Friday Night 55°F Mostly Clear 0 to 5 mph N 0%
Saturday 74°F Mostly Sunny 5 mph NE 1%
Saturday Night 49°F Partly Cloudy 5 mph N 3%
Sunday 68°F Slight Chance Rain Showers then Mostly Sunny 5 mph N 15%
Sunday Night 45°F Partly Cloudy 0 to 5 mph N 12%
Monday 69°F Sunny 0 to 5 mph N 5%
Monday Night 45°F Mostly Clear 0 mph 5%
Tuesday 73°F Sunny 0 mph 5%

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 Nov 4, 2026.