Grand Coteau, LA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Coteau, LA in one place.
Mostly sunny, with a high near 86. South wind 0 to 15 mph.
Local Weather Overview
This forecast page for Grand Coteau, LA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 1:18 PM CDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for Grand Coteau, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 1:18 PM CDT
- Forecast office
- LCH
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Coteau
Saturday looks like the warmest upcoming period in Grand Coteau at 87 degrees F.
Sunday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Thursday at about 0 to 15 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 1:18 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LCH
- Radar station
- KLCH
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 66. South wind 0 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 86. South wind 0 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 66. South wind 5 to 15 mph, with gusts as high as 25 mph.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
A chance of rain showers before 7am. Mostly cloudy, with a high near 72. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Mostly cloudy, with a low around 53.
Mostly cloudy, with a high near 74.
Mostly cloudy, with a low around 56.
Partly sunny, with a high near 80.
Partly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Mostly Sunny
|
86°F |
0 to 15 mph
S
|
|
Thursday Night
Apr 16
|
Mostly Clear
|
66°F |
0 to 10 mph
S
|
|
Friday
Apr 17
|
Sunny
|
86°F |
0 to 15 mph
S
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
66°F |
5 to 15 mph
S
|
|
Saturday
Apr 18
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
S
|
|
Saturday Night
Apr 18
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
56°F |
10 to 15 mph
NW
|
|
Sunday
Apr 19
|
Chance Rain Showers then Mostly Cloudy
|
72°F |
15 mph
N
|
|
Sunday Night
Apr 19
|
Mostly Cloudy
|
53°F |
5 to 10 mph
NE
|
|
Monday
Apr 20
|
Mostly Cloudy
|
74°F |
5 to 10 mph
NE
|
|
Monday Night
Apr 20
|
Mostly Cloudy
|
56°F |
5 mph
E
|
|
Tuesday
Apr 21
|
Partly Sunny
|
80°F |
5 to 10 mph
E
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
60°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Coteau.
