Slidell, LA Weather & Growing Conditions
This Afternoon
95°F
Sunny
Sunny. High near 95, with temperatures falling to around 91 in the afternoon. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Sunny | 5 mph SE | 1% |
| Tonight | 75°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 15% |
| Sunday Night | 75°F | Mostly Clear | 0 to 5 mph SW | 12% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 31% |
| Monday Night | 75°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 31% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 20% |
| Tuesday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 20% |
| Wednesday | 94°F | Sunny | 0 to 5 mph NE | 9% |
| Wednesday Night | 74°F | Mostly Clear | 0 to 5 mph E | 9% |
| Thursday | 92°F | Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 71°F | Mostly Clear | 0 to 5 mph NE | 4% |
| Friday | 91°F | Sunny | 5 mph E | 2% |
| Friday Night | 70°F | Partly Cloudy | 0 to 5 mph NE | 2% |
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 (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.