Grand Coteau, LA Weather & Growing Conditions
Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 20% |
| Tuesday Night | 76°F | Mostly Clear | 0 mph | 12% |
| Wednesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 16% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 5 mph SW | 9% |
| Thursday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 34% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 34% |
| Friday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 22% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 22% |
| Saturday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 26% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 26% |
| Sunday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 51% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 51% |
| Monday | 93°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 58% |
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 Aug 4, 2026.