Weather in Grand Chenier, LA
Updated 2026-09-26 11:00 local time · ZIP codes 70643

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
85°12% rain
87°11% rain
87°11% rain
87°12% rain
85°13% rain
84°14% rain
83°15% rain
82°15% rain
80°17% rain
79°16% rain
79°15% rain
80°14% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 17%).
It feels like 87°F with winds near 5 mph.
79°F, 16% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 19 mph.
Current temperature is 85°F, wind 5 mph, rain chance up to 17%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Grand Chenier
Louisiana is warm, humid and rainy, with hot summers, mild winters, frequent thunderstorms and exposure to tropical storms and hurricanes near the Gulf Coast.
Grand Chenier is part of the South weather region. The forecast point is near 29.77°N latitude and 92.97°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Grand Chenier weather today
Overcast and 85°F in Grand Chenier, LA. Today's high is 87°F with a 57% rain chance. Winds are around 5 mph with gusts near 6 mph. Relative humidity is 51%, pressure is 30.03 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Grand Chenier
Sunrise is at 07:02 AM and sunset is at 07:03 PM. Tomorrow's forecast calls for Sunny with a high near 88°F and a low near 76°F. The maximum rain chance is 8%.