Weather forecast for 10 daysPort Arthur, TX

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 72°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphNNE 22°
  • Humidity: 47%
  • UV index: 7
  • Sunrise: 7:19 am CDT
  • Sunset: 6:43 pm CDT
  • ▼
On Saturday, October 17, sunny and dry conditions are anticipated.
Temperatures are forecasted to peak at a pleasant 71.6°F and drop to a minimum of a cool 51.8°F.
The temperature of 71.6°F reflects November's climate better than October's.
Sunrise was at 7:19 am and sunset will be at 6:43 pm; the daylight will last for 11h and 24min.

Sunday Oct 18, 2026

  • 73°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphENE 59°
  • Humidity: 50%
  • UV index: 7
  • Sunrise: 7:19 am CDT
  • Sunset: 6:42 pm CDT
  • ▼
On Sunday, in Port Arthur, sunny conditions are expected to continue.
The temperature will fluctuate from a high of a temperate 73.4°F to a low of a refreshing 57.2°F.
Tomorrow, expect colder conditions as the high matches November's average of 68.9°F, not October's.
Sunrise will be at 7:19 am and sunset at 6:42 pm; tomorrow's daylight will last for 11h and 22min.

10-day overview

Daily temperatures

Warmest period: Friday - Monday 84°C.
Coldest day: today 72°C.

Chance of precipitation

Highest chance: Monday 26.10. 17%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 72°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphNNE 22°
  • Humidity: 47%
  • UV index: 7
  • Sunrise: 7:19 am CDT
  • Sunset: 6:43 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 73°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphENE 59°
  • Humidity: 50%
  • UV index: 7
  • Sunrise: 7:19 am CDT
  • Sunset: 6:42 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 79°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphENE 67°
  • Humidity: 51%
  • UV index: 7
  • Sunrise: 7:20 am CDT
  • Sunset: 6:40 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 79°F
  • 59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphENE 62°
  • Humidity: 54%
  • UV index: 7
  • Sunrise: 7:21 am CDT
  • Sunset: 6:39 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 82°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphNE 56°
  • Humidity: 49%
  • UV index: 7
  • Sunrise: 7:21 am CDT
  • Sunset: 6:38 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 82°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphENE 57°
  • Humidity: 45%
  • UV index: 7
  • Sunrise: 7:22 am CDT
  • Sunset: 6:37 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 84°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphE 80°
  • Humidity: 47%
  • UV index: 7
  • Sunrise: 7:23 am CDT
  • Sunset: 6:36 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 84°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphESE 111°
  • Humidity: 52%
  • UV index: 7
  • Sunrise: 7:23 am CDT
  • Sunset: 6:36 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 84°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphESE 106°
  • Humidity: 57%
  • UV index: 6
  • Sunrise: 7:24 am CDT
  • Sunset: 6:35 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 84°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 9mphESE 103°
  • Humidity: 59%
  • UV index: 6
  • Sunrise: 7:25 am CDT
  • Sunset: 6:34 pm CDT
  • ▼
Over the next ten days, conditions will reflect that primarily sun-filled and occasionally cloudy weather is anticipated.
Rain is not predicted in Port Arthur in the upcoming period.
Substantial differences in temperature are forecasted in the upcoming days. Highs will range from 71.6°F to 84.2°F, while there will be also a marked difference in overnight low temperatures, as nighttime lows are forecast to fall between 51.8°F and 69.8°F.
The hottest days in Port Arthur will be Friday through next Monday, with a maximum of 84.2°F; today is the coldest day, with a maximum temperature of 71.6°F.
Updated: Oct 17, 2026 @ 12:50:10 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Port Arthur, a sun-drenched sky is anticipated.

Today, the maximum temperature will be 71.6°F, while the minimum temperature will be 51.8°F.
The maximum temperature today will be a couple of degrees lower than the average highest temperature in October. The lowest temperature today will be noticeably lower than the average low of 64.9°F.

On Saturday, in Port Arthur, sunrise was at 7:19 am and sunset will be at 6:43 pm (CDT).

In Port Arthur, today, there will be 11h and 24min of daylight.

Tomorrow, in Port Arthur, sunny and dry conditions are anticipated.

Tomorrow, the maximum temperature will be 73.4°F, while the minimum temperature will be 57.2°F.
Tomorrow, the maximum temperature will be slightly cooler than the average highest temperature in October. Tomorrow, the lowest temperature will be also a couple of degrees lower than the average low temperature.

On Sunday, in Port Arthur, sunrise will be at 7:19 am and sunset at 6:42 pm (CDT).

In Port Arthur, the length of the day tomorrow will be 11h and 22min.