Grand Coteau, LA Weather & Growing Conditions
This Afternoon
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 71 in the afternoon. North wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 0 mph | 0% |
| Tonight | 49°F | Mostly Clear | 0 mph | 0% |
| Thursday | 77°F | Sunny | 0 mph | 0% |
| Thursday Night | 53°F | Mostly Clear | 0 mph | 0% |
| Friday | 78°F | Sunny | 0 to 5 mph N | 1% |
| Friday Night | 53°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 72°F | Mostly Sunny | 10 to 15 mph N | 1% |
| Saturday Night | 45°F | Mostly Cloudy | 10 mph N | 3% |
| Sunday | 65°F | Partly Sunny | 10 mph N | 6% |
| Sunday Night | 43°F | Mostly Cloudy | 5 mph N | 3% |
| Monday | 69°F | Mostly Sunny | 5 mph N | 3% |
| Monday Night | 44°F | Partly Cloudy | 0 mph | 4% |
| Tuesday | 73°F | Mostly Sunny | 0 to 5 mph N | 3% |
| Tuesday Night | 46°F | Partly Cloudy | 0 mph | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grand Coteau, LA
Last spring frost
Feb 28
First fall frost
Nov 23
Growing season
267 days
Hardiness zone
9a
Explore more for Grand Coteau, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Grand Coteau, La (0.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.