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 3pm. 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 | 16% |
| Tonight | 76°F | Mostly Clear | 0 to 5 mph SW | 7% |
| Wednesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 23% |
| Wednesday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SW | 22% |
| Thursday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 20% |
| Thursday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 20% |
| Friday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 21% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 21% |
| Saturday | 93°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 23% |
| Saturday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 23% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 46% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph SE | 46% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 51% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 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
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 Aug 4, 2026.