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Grand Coteau, LA 70541 Weather

Today: Mostly Sunny, high 83°F, low 57°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Grand Coteau, LA 70541 current weather

83°F

Mostly Sunny

Forecast for this hour. No recent report from a nearby station.

H 83° / L 57°

No recent station report. NWS hourly forecast updated 10/29/2026, 1:45 PM PT

Hourly forecast

NWS, updated 10/29/2026, 1:45 PM PT

  1. Now83°
  2. 5 PM81°
  3. 6 PM78°
  4. 7 PM73°
  5. 8 PM66°
  6. 9 PM64°
  7. 10 PM62°
  8. 11 PM61°
  9. 12 AM60°Fri
  10. 1 AM60°
  11. 2 AM59°
  12. 3 AM59°
  13. 4 AM59°
  14. 5 AM59°
  15. 6 AM58°
  16. 7 AM59°
  17. 8 AM59°
  18. 9 AM64°
  19. 10 AM71°
  20. 11 AM75°
  21. 12 PM79°
  22. 1 PM80°
  23. 2 PM80°
  24. 3 PM82°
  25. 4 PM80°
  26. 5 PM80°
  27. 6 PM79°
  28. 7 PM73°
  29. 8 PM70°
  30. 9 PM69°
  31. 10 PM69°12%
  32. 11 PM68°11%
  33. 12 AM68°Sat
  34. 1 AM67°20%
  35. 2 AM67°14%
  36. 3 AM66°12%
  37. 4 AM66°13%
  38. 5 AM66°15%
  39. 6 AM66°17%
  40. 7 AM64°19%
  41. 8 AM66°19%
  42. 9 AM70°19%
  43. 10 AM74°19%
  44. 11 AM76°19%
  45. 12 PM79°19%
  46. 1 PM81°56%
  47. 2 PM82°56%
  48. 3 PM82°56%

10-day forecast

Tap a day for details

  • Today10/29Low 57°High 83°

    This Afternoon: Mostly sunny, with a high near 83. East wind around 5 mph.

    Tonight: Partly cloudy, with a low around 57. East wind 0 to 5 mph.

    Mostly Sunny
  • Fri10/3020% chance of precipitationLow 64°High 82°

    Friday: Mostly cloudy, with a high near 82. East wind 5 to 10 mph.

    Friday Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 64. East wind 0 to 5 mph. Chance of precipitation is 20%.

    Mostly Cloudy
  • Sat10/3156% chance of precipitationLow 65°High 84°

    Saturday: A slight chance of rain showers before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 60%.

    Saturday Night: Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 65. East wind 0 to 5 mph. Chance of precipitation is 60%.

    Showers And Thunderstorms Likely
  • Sun11/130% chance of precipitationLow 65°High 84°

    Sunday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 84. Northeast wind around 5 mph. Chance of precipitation is 30%.

    Sunday Night: Mostly cloudy, with a low around 65. East wind around 5 mph.

    Partly Sunny then Chance Showers And Thunderstorms
  • Mon11/2Low 66°High 84°

    Monday: Partly sunny, with a high near 84. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Monday Night: Partly cloudy, with a low around 66.

    Partly Sunny
  • Tue11/362% chance of precipitationLow 60°High 83°

    Tuesday: A chance of rain showers before noon, then showers and thunderstorms likely. Mostly sunny, with a high near 83. Chance of precipitation is 60%.

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Showers And Thunderstorms Likely
  • Wed11/439% chance of precipitationLow 52°High 76°

    Wednesday: A chance of rain showers before noon. Mostly sunny, with a high near 76. Chance of precipitation is 40%.

    Wednesday Night: Mostly clear, with a low around 52.

    Chance Rain Showers then Mostly Sunny
  • Thu11/5Model blendLow 53°High 76°

    Thursday: Mostly sunny. High near 76°. Low that night near 53°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blendLow 50°High 75°

    Friday: Mostly sunny. High near 75°. Low that night near 50°. About 0.01 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blendLow 50°High 75°

    Saturday: Partly cloudy. High near 75°. Low that night near 50°. About 0.01 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 30.418, -92.043 from the NWS LCH office, updated 10/29/2026, 1:45 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KLFT (Lafayette Rgnl, 15 mi), model run 10/29/2026, 9:00 AM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now83°Mostly Sunny0%5 mph
  2. 5 PM81°Mostly Sunny0%5 mph
  3. 6 PM78°Partly Cloudy0%5 mph
  4. 7 PM73°Partly Cloudy0%5 mph
  5. 8 PM66°Partly Cloudy0%0 mph
  6. 9 PM64°Partly Cloudy0%0 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Grand Coteau, LA 70541?
The National Weather Service forecast for this afternoon calls for a high near 83°F. Mostly Sunny.
Will it rain in Grand Coteau, LA 70541 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Grand Coteau, LA 70541?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 75°F to 76°F. Model guidance this far out often changes.
What time is sunrise and sunset in Grand Coteau, LA 70541 today?
Sunrise is about 7:20 AM CDT and sunset is about 6:23 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Grand Coteau, LA 70541?
At Grand Coteau, the 1991 to 2020 normal high in October is 81°F and the normal low is 58°F.

Nearby hazards

Louisiana hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:Could not check the Storm Prediction Center outlook right now.Outlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Lafayette)
55ModeratePM2.5
AQI forecast tomorrow (Lafayette)
53ModeratePM2.5

UV index guide · Air quality

Drought

By county

St. Landry Parish, week of 10/27/2026

100% of the county is in moderate drought or worse, 3% in extreme drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:20 AM
Sunset
6:23 PM
Daylight
11 hr 3 min
Moon
Waning Gibbous 85% lit
First light (civil dawn)
6:55 AM
Last light (civil dusk)
6:47 PM
Moonrise
9:12 PM
Moonset
11:13 AM

Normal October weather

Climate

Normal October high 81°, low 58°, precipitation 5.04 in for the month. 1991 to 2020 normals at Grand Coteau, 0 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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