Slidell, LA Weather & Growing Conditions
Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. North wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 17% |
| Tuesday Night | 77°F | Mostly Clear | 5 mph SW | 8% |
| Wednesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 24% |
| Wednesday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SW | 21% |
| Thursday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 17% |
| Thursday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 17% |
| Friday | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 21% |
| Friday Night | 75°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 21% |
| Saturday | 92°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 22% |
| Saturday Night | 76°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 22% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph E | 45% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph S | 45% |
| Monday | 91°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 51% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Slidell, LA
Last spring frost
Feb 24
First fall frost
Dec 1
Growing season
281 days
Hardiness zone
9a
Explore more for Slidell, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Slidell, La (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.