Weather in Mer Rouge, LA
Updated 2026-09-26 09:00 local time · ZIP codes 71261

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
76°13% rain
79°4% rain
85°10% rain
86°10% rain
87°10% rain
89°9% rain
90°9% rain
89°9% rain
87°10% rain
86°10% rain
81°11% rain
79°12% 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 13%).
It feels like 77°F with winds near 2 mph.
79°F, 4% rain chance and 4 mph wind.
Visibility is around 6 mi; gusts may reach 17 mph.
Current temperature is 76°F, wind 2 mph, rain chance up to 13%.
UV index is 1.
Local weather characteristics in Mer Rouge
Louisiana is warm, humid and rainy, with hot summers, mild winters, frequent thunderstorms and exposure to tropical storms and hurricanes near the Gulf Coast.
Mer Rouge is part of the South weather region. The forecast point is near 32.77°N latitude and 91.75°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.
Mer Rouge weather today
Overcast and 76°F in Mer Rouge, LA. Today's high is 90°F with a 11% rain chance. Winds are around 2 mph with gusts near 2 mph. Relative humidity is 54%, pressure is 30.05 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mer Rouge
Sunrise is at 06:57 AM and sunset is at 06:58 PM. Tomorrow's forecast calls for Sunny with a high near 95°F and a low near 68°F. The maximum rain chance is 2%.