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Lacombe, LA Weather & Growing Conditions

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

Tonight
67°F
Mostly Cloudy then Patchy Fog
Patchy fog after 3am. Mostly cloudy, with a low around 67. South wind 0 to 5 mph.

7-day forecast for Lacombe

WhenTempForecastWindPrecip
Tonight 67°F Mostly Cloudy then Patchy Fog 0 to 5 mph S 9%
Wednesday 81°F Slight Chance Rain Showers 0 to 5 mph W 23%
Wednesday Night 60°F Mostly Clear 0 mph 2%
Thursday 80°F Sunny 0 to 5 mph SW 9%
Thursday Night 59°F Chance Rain Showers 0 mph 29%
Friday 79°F Chance Rain Showers then Partly Sunny 0 to 5 mph NW 33%
Friday Night 52°F Partly Cloudy 0 to 5 mph N 6%
Saturday 77°F Mostly Sunny 5 mph N 5%
Saturday Night 46°F Partly Cloudy 5 mph N 10%
Sunday 71°F Mostly Sunny 5 to 10 mph N 11%
Sunday Night 44°F Mostly Clear 5 mph N 4%
Monday 73°F Sunny 5 mph N 3%
Monday Night 44°F Mostly Clear 0 to 5 mph N 2%
Tuesday 75°F Sunny 0 to 5 mph E 2%

Forecast source: National Weather Service (api.weather.gov) for Lacombe (30.314, -89.931). Updated through the day.

Growing snapshot for Lacombe

Last spring frost
Mar 3
First fall frost
Nov 21
Growing season
263 days
Hardiness zone
9a

More local growing data for Lacombe: nearby ZIP 70445 weather · frost dates · planting calendar · Louisiana frost dates

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Climate data from the nearest NOAA station, Slidell Ap, La (4.6 mi from Lacombe). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.