Slidell, LA Weather & Growing Conditions
Today
94°F
Sunny
Sunny. High near 94, with temperatures falling to around 92 in the afternoon. East wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 0 to 5 mph E | 1% |
| Tonight | 74°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 95°F | Sunny | 0 to 5 mph W | 13% |
| Sunday Night | 74°F | Mostly Clear | 0 mph | 5% |
| Monday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 33% |
| Monday Night | 73°F | Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 33% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 21% |
| Tuesday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 21% |
| Wednesday | 93°F | Sunny | 0 to 5 mph NE | 12% |
| Wednesday Night | 72°F | Mostly Clear | 0 to 5 mph NE | 12% |
| Thursday | 91°F | Sunny | 5 mph NE | 9% |
| Thursday Night | 70°F | Mostly Clear | 0 to 5 mph E | 9% |
| Friday | 90°F | Sunny | 5 mph NE | 4% |
| Friday Night | 69°F | Partly Cloudy | 0 to 5 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Slidell, LA
Last spring frost
Mar 3
First fall frost
Nov 21
Growing season
263 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 Ap, La (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.