Current Weather Forecast for Port Arthur

TX 77640  |   9:25am

Weather Conditions

86°

Feels Like 99°

Sunny

79° 91°

3

UV Index

Moderate

Air Quality

SSW 3 mph

Wind

0 in

rain

Today

Wed 8/5

91°

Highest Temperature

24%

Sunshine and clouds mixed. A stray shower or thunderstorm is possible. High 91F. Winds SSW at 10 to 15 mph.

Tonight

Wed 8/5

78°

Lowest Temperature

24%

Mainly clear. Low 78F. Winds S at 5 to 10 mph.

Tomorrow

Thu 8/6

91°

Highest Temperature

52%

Variable clouds with thunderstorms, especially in the morning. High 91F. Winds S at 5 to 10 mph. Chance of rain 50%.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Port Arthur

Hourly Weather Forecast & Temperature

10AM

8%

88°

Feels Like 100°

Sunny

SW 4 mph

Wind

1017 mb

Pressure

70%

Humidity

4

UV Index

10mi

Visibility

9%

Cloud Cover

11AM

12%

90°

Feels Like 102°

Mostly Sunny

SSW 5 mph

Wind

1017 mb

Pressure

65%

Humidity

7

UV Index

10mi

Visibility

24%

Cloud Cover

12PM

18%

91°

Feels Like 103°

Partly Cloudy

SSW 5 mph

Wind

1017 mb

Pressure

62%

Humidity

10

UV Index

10mi

Visibility

30%

Cloud Cover

1PM

21%

90°

Feels Like 101°

Mostly Cloudy

SSW 8 mph

Wind

1017 mb

Pressure

62%

Humidity

9

UV Index

10mi

Visibility

63%

Cloud Cover

2PM

24%

91°

Feels Like 101°

Mostly Cloudy

SSW 8 mph

Wind

1017 mb

Pressure

59%

Humidity

9

UV Index

10mi

Visibility

64%

Cloud Cover

3PM

15%

90°

Feels Like 102°

Partly Cloudy

SSW 9 mph

Wind

1016 mb

Pressure

60%

Humidity

7

UV Index

10mi

Visibility

59%

Cloud Cover

4PM

15%

91°

Feels Like 102°

Partly Cloudy

SSW 10 mph

Wind

1016 mb

Pressure

60%

Humidity

6

UV Index

10mi

Visibility

53%

Cloud Cover

5PM

15%

90°

Feels Like 101°

Partly Cloudy

S 11 mph

Wind

1015 mb

Pressure

60%

Humidity

4

UV Index

10mi

Visibility

50%

Cloud Cover

6PM

2%

89°

Feels Like 100°

Sunny

S 10 mph

Wind

1015 mb

Pressure

63%

Humidity

2

UV Index

10mi

Visibility

16%

Cloud Cover

7PM

2%

87°

Feels Like 97°

Sunny

S 10 mph

Wind

1015 mb

Pressure

66%

Humidity

0

UV Index

10mi

Visibility

10%

Cloud Cover

8PM

3%

85°

Feels Like 94°

Sunny

S 7 mph

Wind

1015 mb

Pressure

73%

Humidity

0

UV Index

10mi

Visibility

12%

Cloud Cover

9PM

4%

84°

Feels Like 93°

Clear

S 6 mph

Wind

1016 mb

Pressure

78%

Humidity

0

UV Index

10mi

Visibility

17%

Cloud Cover

Wed 8/5

Wed

24%

79°

91°

Mix of sun and clouds. Highs in the low 90s and lows in the upper 70s.

102°

Feels Like

SSW 11 mph

Wind

64%

Humidity

11

UV Index

6:37 AM

Sunrise

8:05 PM

Sunset

Thu 8/6

Thu

52%

78°

91°

A few thunderstorms possible. Highs in the low 90s and lows in the upper 70s.

101°

Feels Like

S 9 mph

Wind

69%

Humidity

10

UV Index

6:38 AM

Sunrise

8:04 PM

Sunset

Fri 8/7

Fri

24%

77°

90°

Partly cloudy. Highs in the low 90s and lows in the upper 70s.

99°

Feels Like

SE 9 mph

Wind

70%

Humidity

9

UV Index

6:38 AM

Sunrise

8:03 PM

Sunset

Sat 8/8

Sat

39%

77°

90°

Thunderstorms developing in the afternoon. Highs in the low 90s and lows in the upper 70s.

100°

Feels Like

E 8 mph

Wind

71%

Humidity

11

UV Index

6:39 AM

Sunrise

8:03 PM

Sunset

Sun 8/9

Sun

55%

77°

89°

A few thunderstorms possible. Highs in the upper 80s and lows in the upper 70s.

98°

Feels Like

SE 10 mph

Wind

73%

Humidity

11

UV Index

6:40 AM

Sunrise

8:02 PM

Sunset

Mon 8/10

Mon

61%

77°

88°

Thunderstorms. Highs in the upper 80s and lows in the upper 70s.

97°

Feels Like

S 10 mph

Wind

75%

Humidity

10

UV Index

6:40 AM

Sunrise

8:01 PM

Sunset

Tue 8/11

Tue

50%

78°

91°

Scattered thunderstorms possible. Highs in the low 90s and lows in the upper 70s.

102°

Feels Like

S 11 mph

Wind

72%

Humidity

11

UV Index

6:41 AM

Sunrise

8:00 PM

Sunset

Wed 8/12

Wed

33%

79°

92°

Isolated thunderstorms. Highs in the low 90s and lows in the upper 70s.

104°

Feels Like

SSW 12 mph

Wind

70%

Humidity

11

UV Index

6:41 AM

Sunrise

7:59 PM

Sunset

Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.

Download the App

Looking for homes in this area?

• 2408 19th St, Port Arthur, TX 77640
• 2899 Manning St, Port Arthur, TX 77640
• 341 12th St, Port Arthur, TX 77640

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from Texas

Hidden hazard: How to stay safe from harmful algal blooms this summer

As millions of Americans head to beaches, lakes and other bodies of water this summer, health officials are warning about harmful algal blooms that can pose serious health risks to people and pets.

The top 10 worst states for battling mosquitos thanks to heat and humidity

Outside ranked the 10 worst states for mosquitoes in 2026. Here's where the biting pests thrive most, and the climate and landscapes that help fuel their populations.

Bryan Norcross: The Atlantic goes quiet after Bertha fades away

The remnants of former Tropical Storm Bertha have moved into northern Mexico. It's now a weak disturbance over the mountains.

Battered and bruised Bertha weakens as all storm watches and warnings are discontinued

Tropical Storm Bertha is back in the northern Gulf and racing toward Texas, where it is expected to make a second landfall Thursday afternoon after striking southeast Louisiana on Wednesday.

Load More Stories