Sun, LA Weather & Growing Conditions
This Afternoon
81°F
Mostly Sunny
Mostly sunny. High near 81, with temperatures falling to around 69 in the afternoon. Northwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Mostly Sunny | 0 to 5 mph NW | 11% |
| Tonight | 53°F | Mostly Clear | 0 mph | 0% |
| Thursday | 82°F | Sunny | 0 mph | 0% |
| Thursday Night | 52°F | Mostly Clear | 0 mph | 1% |
| Friday | 79°F | Mostly Sunny | 0 to 5 mph N | 2% |
| Friday Night | 50°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 76°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 44°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Sunday | 68°F | Partly Sunny | 5 mph N | 5% |
| Sunday Night | 41°F | Mostly Cloudy | 0 mph | 3% |
| Monday | 73°F | Mostly Sunny | 0 to 5 mph N | 4% |
| Monday Night | 42°F | Partly Cloudy | 0 mph | 6% |
| Tuesday | 75°F | Mostly Sunny | 0 mph | 10% |
| Tuesday Night | 44°F | Partly Cloudy | 0 mph | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sun, LA
Last spring frost
Mar 9
First fall frost
Nov 18
Growing season
255 days
Hardiness zone
9a
Explore more for Sun, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Picayune, Ms (11 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.