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September 18th, 2025 :: 9:41 pm CDT   

Local Weather Report for
Mermentau
Louisiana, United States

 Current Mermentau Weather Conditions Updated September 18th at 8:55 pm 
Temperature:79°F Dew Point:68°F
Barometer:30.01 inHg Wind:calm
Humidity:69.5% Visibility:0M
 
 Mermentau Weather Forecast Summary  
 
Today
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Cloudy Mix of Cloud and Sun Mix of Cloud and Sun Cloudy Cloudy
92°F
94°F
70°F
95°F
72°F
93°F
73°F
92°F
73°F
 
 Mermentau Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Evening Temperature: 74°F
Cloudy. Slight chance of a thunderstorm.
Friday, September 19th, 2025
Overnight Temperature: 71°F
A mix of cloudy and clear skies.
Morning Temperature: 88°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 87°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 75°F
Clear. Slight chance of a thunderstorm.
Saturday, September 20th, 2025
Overnight Temperature: 73°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm.
Morning Temperature: 89°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 88°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 75°F
A mix of cloudy and clear skies. Chance of a thunderstorm.
Sunday, September 21st, 2025
Overnight Temperature: 74°F
Cloudy. Chance of a thunderstorm.
Morning Temperature: 89°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 86°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 74°F
Clear. Chance of a thunderstorm.
Monday, September 22nd, 2025
Overnight Temperature: 73°F
Clear. Chance of a thunderstorm.
Morning Temperature: 89°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 86°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 74°F
Cloudy. Slight chance of a thunderstorm.
Tuesday, September 23rd, 2025
Overnight Temperature: 73°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm.
Morning Temperature: 88°F
Sunny with cloudy periods with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 85°F
Mostly sunny with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 76°F
Cloudy. Chance of a thunderstorm.
Wednesday, September 24th, 2025
Overnight Temperature: 75°F
Cloudy with showers likely. Chance of a thunderstorm.
Morning Temperature: 86°F
A mix of cloud and sun with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 87°F
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 77°F
Clear with a chance of showers or thundershowers.
Thursday, September 25th, 2025
Overnight Temperature: 75°F
Clear with showers likely. Chance of a thunderstorm.
Morning Temperature: 90°F
Sunny with cloudy periods with a chance of showers or thundershowers.
Afternoon Temperature: 88°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 77°F
A mix of cloudy and clear skies. Chance of a thunderstorm.
Friday, September 26th, 2025
Overnight Temperature: 78°F
Clear with a slight chance of showers or thundershowers.
Morning Temperature: 90°F
Sunny with cloudy periods with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 87°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 79°F
Clear. Chance of a thunderstorm. Windy at times.





 

  [ Local Weather Report ]
Jennings, LA 
8:55 PM  79°F
 
 
Estherwood, LA 
 
Crowley, LA 
 
Rayne, LA 
 
Kaplan, LA 
 
Eunice, LA 
 
Duson, LA 
8:53 PM  79°F
 
 
Iowa, LA 
8:45 PM  75°F
 
 
Church Point, LA 
8:55 PM  75°F
 
 
Maurice, LA 

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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