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Port Sulphur, Louisiana Weather Forecast
Port Sulphur, Louisiana Weather
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Weather Forecast for Port Sulphur, Louisiana : Plaquemines County
Issued: 12:27 pm CDT Nov 1, 2025 Latitude: 29.4804947 Longitude: -89.6939531 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Sunny on This Afternoon 20% chance of rain on Tonight Partly Sunny on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday Sunny on Friday
High: 70°F Low: 58°F High: 70°F High: 66°F High: 70°F High: 72°F High: 73°F High: 75°F
Low: 52°F Low: 57°F Low: 58°F Low: 60°F Low: 63°F  
Mostly Sunny Rain Partly Sunny Sunny Sunny Sunny Sunny Sunny
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Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 70. Northeast wind around 5 mph.

20% chance of rain Tonight Tonight... A slight chance of showers between midnight and 4am. Increasing clouds, with a low around 58. Northeast wind around 5 mph. Chance of precipitation is 20%.

Partly Sunny on Sunday Sunday... Partly sunny, then gradually becoming sunny, with a high near 70. North wind 5 to 10 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 52. North wind around 10 mph, with gusts as high as 20 mph.

Sunny on Monday Monday... Sunny, with a high near 66. North wind around 10 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 57. North wind 5 to 10 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 70. Northeast wind 5 to 10 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 58. East wind around 5 mph becoming calm in the evening.

Sunny on Wednesday Wednesday... Sunny, with a high near 72. Calm wind becoming northeast around 5 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 60. Calm wind.

Sunny on Thursday Thursday... Sunny, with a high near 73. Calm wind becoming east around 5 mph in the afternoon.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 63. Southeast wind around 5 mph.

Sunny on Friday Friday... Sunny, with a high near 75. South wind 5 to 10 mph.

Sun Almanac for Port Sulphur, Louisiana
Sunrise: 07:12 AM
Sunset: 6:12 PM
Civil Sunrise:06:48 AM
Civil Sunset: 6:37 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 7:05 PM
Astro Sunrise: 05:52 AM
Astro Sunset: 7:33 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.