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Destrehan, LA Marine Weather Forecast

Today - 97°F
Aug 18, 2026
5 mph W
Mostly Sunny
Mostly sunny, with a high near 97. Heat index values as high as 111. West wind around 5 mph.
Tonight - 79°F
Aug 18, 2026
5 mph SW
Partly Cloudy
Partly cloudy, with a low around 79. Heat index values as high as 110. Southwest wind around 5 mph.
Wednesday - 97°F
Aug 19, 2026
5 mph W
Mostly Sunny
Mostly sunny. High near 97, with temperatures falling to around 95 in the afternoon. Heat index values as high as 110. West wind around 5 mph.
Wednesday Night - 78°F
Aug 19, 2026
5 mph SW
Mostly Clear
Mostly clear, with a low around 78. Heat index values as high as 109. Southwest wind around 5 mph.
Thursday - 97°F
Aug 20, 2026
5 mph W
Mostly Sunny
Mostly sunny, with a high near 97. West wind around 5 mph.
Thursday Night - 78°F
Aug 20, 2026
5 mph SW
Partly Cloudy
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Friday - 98°F
Aug 21, 2026
0 to 5 mph W
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. West wind 0 to 5 mph. Chance of precipitation is 20%.
Friday Night - 78°F
Aug 21, 2026
5 mph SW
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Saturday - 97°F
Aug 22, 2026
0 to 5 mph NW
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Northwest wind 0 to 5 mph.
Saturday Night - 77°F
Aug 22, 2026
5 mph W
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. West wind around 5 mph.
Sunday - 98°F
Aug 23, 2026
5 mph N
Sunny
Sunny, with a high near 98. North wind around 5 mph.
Sunday Night - 77°F
Aug 23, 2026
5 mph SW
Mostly Clear
Mostly clear, with a low around 77. Southwest wind around 5 mph.
Monday - 98°F
Aug 24, 2026
0 to 5 mph W
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 98. West wind 0 to 5 mph.
Monday Night - 78°F
Aug 24, 2026
5 mph SW
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 78. Southwest wind around 5 mph.

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