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June 9th, 2026 :: 3:50 am CDT   

Local Weather Report for
Mermentau
Louisiana, United States

 Mermentau Weather Forecast Summary  
 
Today
Jun 9th
Wednesday
Jun 10th
Thursday
Jun 11th
Friday
Jun 12th
Saturday
Jun 13th
Mostly Sunny Sunny Sunny Sunny Mostly Sunny
89°F
90°F
74°F
90°F
75°F
93°F
75°F
92°F
75°F
 
 Mermentau Detailed Weather Forecast  
 
Tuesday, June 9th, 2026
Overnight Temperature: 75°F
Mostly clear. Slight chance of a thunderstorm.
Morning Temperature: 80°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 88°F
Sunny with cloudy periods with a slight chance of showers or thundershowers.
Evening Temperature: 81°F
Clear with a slight chance of showers or thundershowers.
Wednesday, June 10th, 2026
Overnight Temperature: 75°F
Clear. Chance of a thunderstorm.
Morning Temperature: 80°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 90°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 80°F
Clear. Chance of a thunderstorm. Windy at times.
Thursday, June 11th, 2026
Overnight Temperature: 75°F
Clear. Chance of a thunderstorm.
Morning Temperature: 82°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 90°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 80°F
Clear with a slight chance of showers or thundershowers.
Friday, June 12th, 2026
Overnight Temperature: 75°F
Clear. Chance of a thunderstorm.
Morning Temperature: 81°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 90°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 80°F
Mostly clear. Slight chance of a thunderstorm. Windy at times.
Saturday, June 13th, 2026
Overnight Temperature: 76°F
Mostly clear. Slight chance of a thunderstorm.
Morning Temperature: 81°F
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 90°F
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 80°F
Clear. Slight chance of a thunderstorm. Windy at times.
Sunday, June 14th, 2026
Overnight Temperature: 76°F
Mostly clear. Slight chance of a thunderstorm.
Morning Temperature: 81°F
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 90°F
A mix of cloud and sun with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 81°F
Mostly clear with a slight chance of showers or thundershowers. Windy at times.
Monday, June 15th, 2026
Overnight Temperature: 78°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 81°F
Sunny with cloudy periods with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 86°F
A mix of cloud and sun with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 80°F
A mix of cloudy and clear skies with a chance of showers or thundershowers.
Tuesday, June 16th, 2026
Overnight Temperature: 77°F
A mix of cloudy and clear skies with showers likely. Chance of a thunderstorm.
Morning Temperature: 79°F
A mix of cloud and sun with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 86°F
A mix of cloud and sun with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 80°F
A mix of cloudy and clear skies with a chance of showers or thundershowers.
Wednesday, June 17th, 2026
Overnight Temperature: 76°F
A mix of cloudy and clear skies with a chance of showers or thundershowers.
Morning Temperature: 77°F
Sunny with cloudy periods with a chance of showers or thundershowers.
Afternoon Temperature: 82°F
Sunny with cloudy periods with a slight chance of showers or thundershowers.
Evening Temperature: 77°F
Clear. Chance of a thunderstorm.





 

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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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