Sulphur, LA Weather & Growing Conditions
This Afternoon
91°F
Sunny
Sunny, with a high near 91. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Sunny | 5 mph E | 0% |
| Tonight | 71°F | Clear | 0 mph | 0% |
| Saturday | 92°F | Sunny | 0 to 5 mph E | 1% |
| Saturday Night | 73°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 92°F | Sunny | 0 to 5 mph SE | 5% |
| Sunday Night | 74°F | Mostly Clear | 0 mph | 5% |
| Monday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 15% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 15% |
| Tuesday | 95°F | Sunny | 0 to 5 mph N | 8% |
| Tuesday Night | 75°F | Mostly Clear | 0 mph | 8% |
| Wednesday | 93°F | Sunny | 0 to 5 mph NE | 6% |
| Wednesday Night | 74°F | Mostly Clear | 0 to 5 mph NE | 6% |
| Thursday | 91°F | Sunny | 5 mph NE | 3% |
| Thursday Night | 72°F | Mostly Clear | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sulphur, LA
Last spring frost
Mar 2
First fall frost
Nov 25
Growing season
267 days
Hardiness zone
9a
Explore more for Sulphur, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Moss Bluff 2 Nnw, La (12.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.