Grand Coteau, LA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Coteau, LA in one place.
Sunny, with a high near 91. Southeast wind 0 to 10 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: Oct 13, 2026 10:29 PM CDT.
The active forecast window currently covers Oct 14 to Oct 20, 2026 for Grand Coteau, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 10:29 PM CDT
- Forecast office
- LCH
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Coteau
Wednesday looks like the warmest upcoming period in Grand Coteau at 91 degrees F.
Saturday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Friday Night at about 15 to 20 mph N.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 10:29 PM CDT
- Coverage
- 7 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 64. Southeast wind 0 to 5 mph.
Sunny, with a high near 90. East wind 0 to 5 mph.
Mostly clear, with a low around 64. Northeast wind 0 to 5 mph.
Sunny, with a high near 90. North wind 0 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 56. North wind 15 to 20 mph, with gusts as high as 35 mph.
Sunny, with a high near 77. Northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 52. Northeast wind 5 to 10 mph.
Sunny, with a high near 83.
Partly cloudy, with a low around 61.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
A chance of rain showers after 1pm. Mostly sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Sunny
|
91°F |
0 to 10 mph
SE
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
64°F |
0 to 5 mph
SE
|
|
Thursday
Oct 15
|
Sunny
|
90°F |
0 to 5 mph
E
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
64°F |
0 to 5 mph
NE
|
|
Friday
Oct 16
|
Sunny
|
90°F |
0 to 15 mph
N
|
|
Friday Night
Oct 16
|
Mostly Clear
|
56°F |
15 to 20 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
77°F |
15 to 20 mph
NE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
52°F |
5 to 10 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
83°F |
5 to 10 mph
NE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
61°F |
5 mph
E
|
|
Monday
Oct 19
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
E
|
|
Monday Night
Oct 19
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
64°F |
5 to 10 mph
E
|
|
Tuesday
Oct 20
|
Mostly Sunny then Chance Rain Showers
|
88°F |
5 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Coteau.
