Weather forecast for 10 daysPort Sulphur, LA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 72°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 18mphENE 62°
  • Humidity: 59%
  • UV index: 7
  • Sunrise: 7:02 am CDT
  • Sunset: 6:25 pm CDT
  • ▼
Today, in Port Sulphur, variable cloud cover will persist, but sunshine will break through.
Minor temperature shifts are predicted, peaking at a maximum of an agreeable 71.6°F and dropping to a minimum of a comfortable 66.2°F.
The weather today is colder, with a maximum expected near 69.3°F - more like November than October.
Sunrise was at 7:02 am and sunset will be at 6:25 pm; the daylight will last for 11h and 23min.

10-day overview

Daily temperatures

Warmest day: Thursday 79°C.
Coldest day: today 72°C.

Chance of precipitation

Highest chance: tomorrow 24%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 72°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 18mphENE 62°
  • Humidity: 59%
  • UV index: 7
  • Sunrise: 7:02 am CDT
  • Sunset: 6:25 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 73°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 17mphNE 54°
  • Humidity: 69%
  • UV index: 6
  • Sunrise: 7:02 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 75°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphENE 57°
  • Humidity: 64%
  • UV index: 7
  • Sunrise: 7:03 am CDT
  • Sunset: 6:23 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 77°F
  • 63°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphNE 42°
  • Humidity: 53%
  • UV index: 7
  • Sunrise: 7:04 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 79°F
  • 64°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphNNE 27°
  • Humidity: 55%
  • UV index: 7
  • Sunrise: 7:05 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 66°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphNE 40°
  • Humidity: 55%
  • UV index: 7
  • Sunrise: 7:05 am CDT
  • Sunset: 6:20 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 77°F
  • 66°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphENE 64°
  • Humidity: 59%
  • UV index: 7
  • Sunrise: 7:06 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 64°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 17mphENE 58°
  • Humidity: 61%
  • UV index: 7
  • Sunrise: 7:07 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 75°F
  • 64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 15mphNE 56°
  • Humidity: 61%
  • UV index: 6
  • Sunrise: 7:07 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 77°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 12mphNE 55°
  • Humidity: 60%
  • UV index: 6
  • Sunrise: 7:08 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
For the next ten days, a combination of clear and cloudy weather is expected.
Rainfall is not forecasted in Port Sulphur in the upcoming days.
In the upcoming days, the highest temperature will vary between 71.6°F and 78.8°F, while fluctuations in the night’s lowest temperature will be minimal, as the lowest temperatures will remain in the range of 62.6°F to 68°F.
The warmest day will be Thursday, with a maximum of 78.8°F; today is the coldest day, with a maximum temperature of 71.6°F.
Updated: Oct 18, 2026 @ 17:10:45 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Port Sulphur, high-altitude clouds may scatter across the sky, but the sun will still shine.

Today, the highest temperature will be 71.6°F, while the lowest temperature will be 66.2°F.
The maximum temperature today will be moderately lower than the average highest temperature in October. The lowest temperature today will be also slightly cooler than the average low temperature.

On Sunday, in Port Sulphur, sunrise was at 7:02 am and sunset will be at 6:25 pm (CDT).

Today, the daylight will last for 11h and 23min.