Weather forecast for 10 daysPort Sulphur, LA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 73°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 18mphENE 61°
  • Humidity: 58%
  • UV index: 7
  • Sunrise: 7:02 am CDT
  • Sunset: 6:25 pm CDT
  • ▼
Today, on Sunday, October 18, thin clouds will pass through at times, but overall, it will remain bright.
Daytime will witness a high of a moderately hot 73.4°F, slightly diverging from the anticipated night low of a comfortable 66.2°F.
The daily maximum temperature is anticipated to be a couple of degrees lower than October's climate average of 78.4°F.
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.
Minimum temperature: 73°C.

Chance of precipitation

Highest chance: tomorrow 24%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 73°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 18mphENE 61°
  • Humidity: 58%
  • 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: 7
  • 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: 15mphNE 56°
  • Humidity: 63%
  • 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 41°
  • Humidity: 53%
  • UV index: 7
  • Sunrise: 7:04 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 79°F
  • 63°F
Sunny
Sunny
  • Precip. probability: 2%
  • 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: 11mphNE 40°
  • Humidity: 56%
  • 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: 2%
  • Precipitation: 0"
  • Wind: 17mphENE 63°
  • 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 57°
  • 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
  • ▼
In the days ahead, a combination of mostly clear and overcast weather is predicted.
Rain is not expected in Port Sulphur in the upcoming period.
The maximum temperature will be very similar in the forecast period ahead. Highs will range from 73.4°F to 78.8°F, while fluctuations in the night’s lowest temperature will be also minimal, as the overnight low will fall between 62.6°F and 68°F.
Thursday will be the warmest day, with a maximum temperature of 78.8°F; the coldest days will be Sunday, Monday and next Sunday, with a maximum of 73.4°F.
Updated: Oct 18, 2026 @ 18:11:00 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, a partly cloudy outlook will keep the sky interesting throughout the day.

Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 66.2°F.
The maximum temperature today will be a few degrees lower than the average highest temperature in October. The lowest temperature will be also relatively lower than the average low of 70.2°F.

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

In Port Sulphur, the length of the day today will be 11h and 23min.