Slidell, LA Weather & Growing Conditions
Today
82°F
Chance Rain Showers
A chance of rain showers and patchy fog before 3pm. Mostly sunny. High near 82, with temperatures falling to around 78 in the afternoon. Southwest wind around 5 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Chance Rain Showers | 5 mph SW | 32% |
| Tonight | 57°F | Partly Cloudy then Patchy Fog | 0 to 5 mph N | 1% |
| Thursday | 81°F | Sunny | 0 to 5 mph S | 0% |
| Thursday Night | 62°F | Partly Cloudy | 0 to 5 mph W | 2% |
| Friday | 81°F | Partly Sunny | 0 to 5 mph N | 5% |
| Friday Night | 53°F | Mostly Clear | 0 to 5 mph N | 1% |
| Saturday | 76°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 47°F | Partly Cloudy | 5 mph N | 1% |
| Sunday | 70°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph N | 15% |
| Sunday Night | 45°F | Partly Cloudy | 5 mph N | 5% |
| Monday | 72°F | Sunny | 5 mph N | 7% |
| Monday Night | 46°F | Mostly Clear | 0 to 5 mph N | 4% |
| Tuesday | 73°F | Sunny | 0 to 5 mph NE | 5% |
| Tuesday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 4% |
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 Nov 4, 2026.