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April 29th, 2026 :: 6:38 am CDT   

Local Weather Report for
Mermentau
Louisiana, United States

 Mermentau Weather Forecast Summary  
 
Today
Apr 29th
Thursday
Apr 30th
Friday
May 1st
Saturday
May 2nd
Sunday
May 3rd
Mostly Sunny Mostly Sunny Mix of Cloud and Sun Mix of Sun and Cloud Mostly Sunny
88°F
89°F
71°F
86°F
71°F
75°F
58°F
72°F
49°F
 
 Mermentau Detailed Weather Forecast  
 
Wednesday, April 29th, 2026
Morning Temperature: 76°F
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 88°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 77°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm. Windy at times.
Thursday, April 30th, 2026
Overnight Temperature: 73°F
Cloudy with clear periods. Slight chance of a thunderstorm.
Morning Temperature: 75°F
Mostly sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 88°F
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 76°F
Clear with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Friday, May 1st, 2026
Overnight Temperature: 72°F
Clear with cloudy periods. Chance of a thunderstorm.
Morning Temperature: 77°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 85°F
A mix of sun and cloud. Chance of a thunderstorm. Windy.
Evening Temperature: 78°F
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy.
Saturday, May 2nd, 2026
Overnight Temperature: 73°F
A mix of clear and cloudy skies with showers likely. Chance of a thunderstorm. Windy at times.
Morning Temperature: 61°F
A mix of cloud and sun with a chance of showers. Windy at times.
Afternoon Temperature: 60°F
A mix of cloud and sun. Windy.
Evening Temperature: 60°F
Clear. Windy at times.
Sunday, May 3rd, 2026
Overnight Temperature: 53°F
Clear. Windy at times.
Morning Temperature: 55°F
Sunny. Windy at times.
Afternoon Temperature: 70°F
Sunny. Windy at times.
Evening Temperature: 62°F
Mostly clear.
Monday, May 4th, 2026
Overnight Temperature: 55°F
Mostly clear.
Morning Temperature: 61°F
A mix of sun and cloud.
Afternoon Temperature: 77°F
Mostly sunny.
Evening Temperature: 67°F
Mostly clear. Windy at times.
Tuesday, May 5th, 2026
Overnight Temperature: 61°F
Mostly clear.
Morning Temperature: 69°F
Mostly sunny. Windy at times.
Afternoon Temperature: 81°F
Mostly sunny. Windy at times.
Evening Temperature: 71°F
Clear. Windy at times.
Wednesday, May 6th, 2026
Overnight Temperature: 68°F
Clear with cloudy periods.
Morning Temperature: 76°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 78°F
Clear with cloudy periods. Chance of a thunderstorm. Windy at times.





 

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This WeatherCity Weather Forecast for Mermentau, Louisiana, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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