Slidell, LA Weather & Growing Conditions
Today
95°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2pm and 4pm. Sunny. High near 95, with temperatures falling to around 93 in the afternoon. West wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
| Tonight | 77°F | Mostly Clear | 0 to 5 mph SW | 9% |
| Wednesday | 96°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 24% |
| Wednesday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SW | 19% |
| Thursday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 15% |
| Thursday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 15% |
| Friday | 92°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 21% |
| Friday Night | 75°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 21% |
| Saturday | 92°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 21% |
| Saturday Night | 76°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 21% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph E | 43% |
| Sunday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 43% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 49% |
| Monday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 49% |
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 Aug 4, 2026.