Grand Coteau, LA Weather & Growing Conditions
This Afternoon
94°F
Sunny
Sunny, with a high near 94. Heat index values as high as 97. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Sunny | 5 mph E | 0% |
| Tonight | 70°F | Clear | 0 to 5 mph SE | 0% |
| Saturday | 96°F | Sunny | 0 to 5 mph E | 1% |
| Saturday Night | 73°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 96°F | Sunny | 0 to 5 mph E | 5% |
| Sunday Night | 74°F | Mostly Clear | 0 to 5 mph SW | 5% |
| Monday | 97°F | Mostly Sunny | 0 to 5 mph N | 13% |
| Monday Night | 74°F | Partly Cloudy | 0 mph | 13% |
| Tuesday | 98°F | Sunny | 0 to 5 mph N | 11% |
| Tuesday Night | 74°F | Mostly Clear | 0 to 5 mph NE | 11% |
| Wednesday | 97°F | Sunny | 0 to 10 mph NE | 5% |
| Wednesday Night | 73°F | Mostly Clear | 5 mph NE | 5% |
| Thursday | 94°F | Sunny | 5 to 10 mph NE | 3% |
| Thursday Night | 71°F | Mostly Clear | 5 to 10 mph NE | 3% |
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 Sep 19, 2026.